{"id":3918,"date":"2022-06-22T00:00:20","date_gmt":"2022-06-21T17:00:20","guid":{"rendered":"https:\/\/lodekto.net\/?p=3918"},"modified":"2023-07-20T19:25:00","modified_gmt":"2023-07-20T12:25:00","slug":"dan-de","status":"publish","type":"post","link":"https:\/\/lodekto.net\/dan-de\/","title":{"rendered":"D\u00e0n \u0111\u1ec1 l\u00e0 g\u00ec? D\u00e0n \u0111\u1ec1 10 s\u1ed1, 50 s\u1ed1 v\u00e0 60 s\u1ed1 nu\u00f4i khung 3, 5 ng\u00e0y"},"content":{"rendered":"<p><span style=\"color: #ff0000;\"><strong>T\u00f4\u0309ng Quan:<\/strong> <\/span><\/p>\n<p>La\u0300 ng\u01b0\u1eddi m\u1edbi, ch\u0103\u0301c ch\u0103\u0301n ba\u0323n s\u1ebd c\u00f2n l\u00fang t\u00fang v\u1ec1 kh\u00e1i ni\u1ec7m d\u00e0n \u0111\u1ec1 c\u0169ng nh\u01b0 c\u00e1ch \u0111\u1ec3 t\u1ea1o d\u00e0n \u0111\u1ec1 c\u1ef1c chu\u1ea9n. V\u00ec th\u1ebf, ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p l\u01b0\u1eddi gi\u1ea3i \u0111\u00e1p cho c\u00e1c c\u00e2u h\u1ecfi sau, bao qu\u00e1t t\u1ea5t c\u1ea3 th\u00f4ng tin v\u1ec1 d\u00e0n \u0111\u1ec1 gi\u00fap b\u1ea1n:<\/p>\n<ul>\n<li>D\u00e0n \u0111\u1ec1 l\u00e0 g\u00ec?<\/li>\n<li>Ca\u0301c b\u00f4\u0323 s\u00f4\u0301 trong t\u00f4\u0309ng \u0111\u00ea\u0300?<\/li>\n<li>Nh\u1eefng b\u1ed9 d\u00e0n \u0111\u1ec1 n\u00e0o ph\u1ed5 bi\u1ebfn hi\u1ec7n nay?<\/li>\n<li>C\u00e1c d\u1ea1ng d\u00e0n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t l\u00e0 g\u00ec?<\/li>\n<li>\u0110a\u0301nh theo t\u00f4\u0309ng la\u0300 nh\u01b0 th\u00ea\u0301 na\u0300o<\/li>\n<\/ul>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_la_gi\" title=\"D\u00e0n \u0111\u1ec1 l\u00e0 g\u00ec?\">D\u00e0n \u0111\u1ec1 l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_chan_bao_gom_nhung_con_so_nao\" title=\"D\u00e0n \u0111\u1ec1 ch\u1eb5n bao g\u1ed3m nh\u1eefng con s\u1ed1 n\u00e0o?\">D\u00e0n \u0111\u1ec1 ch\u1eb5n bao g\u1ed3m nh\u1eefng con s\u1ed1 n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_le_la_nhung_con_gi\" title=\"D\u00e0n \u0111\u1ec1 l\u1ebb l\u00e0 nh\u1eefng con g\u00ec?\">D\u00e0n \u0111\u1ec1 l\u1ebb l\u00e0 nh\u1eefng con g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_kep_bang_may_con\" title=\"D\u00e0n \u0111\u00ea\u0300 k\u00e9p b\u1eb1ng m\u1ea5y con?\">D\u00e0n \u0111\u00ea\u0300 k\u00e9p b\u1eb1ng m\u1ea5y con?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_sat_kep_lech\" title=\"D\u00e0n \u0111\u00ea\u0300 s\u00e1t k\u00e9p l\u1ec7ch\">D\u00e0n \u0111\u00ea\u0300 s\u00e1t k\u00e9p l\u1ec7ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_kep_lech\" title=\"D\u00e0n \u0111\u00ea\u0300 k\u00e9p l\u1ec7ch\">D\u00e0n \u0111\u00ea\u0300 k\u00e9p l\u1ec7ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_kep_am\" title=\"D\u00e0n \u0111\u00ea\u0300 k\u00e9p \u00e2m\">D\u00e0n \u0111\u00ea\u0300 k\u00e9p \u00e2m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_co_tong_bang_0\" title=\"D\u00e0n \u0111\u1ec1 c\u00f3 t\u1ed5ng b\u1eb1ng 0\">D\u00e0n \u0111\u1ec1 c\u00f3 t\u1ed5ng b\u1eb1ng 0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_1\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng = 1\">D\u00e0n \u0111\u1ec1 t\u1ed5ng = 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_2\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng = 2\">D\u00e0n \u0111\u1ec1 t\u1ed5ng = 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_3_gom_nhung_con_gi\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng 3 g\u1ed3m nh\u1eefng con g\u00ec?\">D\u00e0n \u0111\u1ec1 t\u1ed5ng 3 g\u1ed3m nh\u1eefng con g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_4\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng = 4\">D\u00e0n \u0111\u1ec1 t\u1ed5ng = 4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_bang_5\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 5\">D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_bang_6\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 6\">D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_bang_7\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 7\">D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_bang_8\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 8\">D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_9\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng = 9\">D\u00e0n \u0111\u1ec1 t\u1ed5ng = 9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_duoi_10\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10\">D\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_tren_10\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10\">D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_chia_het_cho_3\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng chia h\u1ebft cho 3\">D\u00e0n \u0111\u1ec1 t\u1ed5ng chia h\u1ebft cho 3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_chia_3_du_1\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng chia 3 d\u01b0 1\">D\u00e0n \u0111\u1ec1 t\u1ed5ng chia 3 d\u01b0 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_tong_chia_3_du_2\" title=\"D\u00e0n \u0111\u1ec1 t\u1ed5ng chia 3 d\u01b0 2\">D\u00e0n \u0111\u1ec1 t\u1ed5ng chia 3 d\u01b0 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/lodekto.net\/dan-de\/#Dan_de_ca_nam_theo_tam_giac_Pascal\" title=\"D\u00e0n \u0111\u1ec1 c\u1ea3 n\u0103m theo tam gi\u00e1c Pascal\">D\u00e0n \u0111\u1ec1 c\u1ea3 n\u0103m theo tam gi\u00e1c Pascal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/lodekto.net\/dan-de\/#Cach_bat_dan_de_chuan_xac_nhat\" title=\"C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n x\u00e1c nh\u1ea5t\">C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n x\u00e1c nh\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/lodekto.net\/dan-de\/#Choi_dan_de_tong_chanle\" title=\"Ch\u01a1i d\u00e0n \u0111\u1ec1 t\u1ed5ng ch\u1eb5n\/l\u1ebb\">Ch\u01a1i d\u00e0n \u0111\u1ec1 t\u1ed5ng ch\u1eb5n\/l\u1ebb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/lodekto.net\/dan-de\/#Bat_dan_de_hang_ngay_theo_kieu_bac_nho\" title=\"B\u1eaft d\u00e0n \u0111\u1ec1 h\u1eb1ng ng\u00e0y theo ki\u1ec3u b\u1ea1c nh\u1edb\">B\u1eaft d\u00e0n \u0111\u1ec1 h\u1eb1ng ng\u00e0y theo ki\u1ec3u b\u1ea1c nh\u1edb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/lodekto.net\/dan-de\/#Bat_dan_de_dua_vao_giai_7\" title=\"B\u1eaft d\u00e0n \u0111\u1ec1 d\u1ef1a v\u00e0o gi\u1ea3i 7\">B\u1eaft d\u00e0n \u0111\u1ec1 d\u1ef1a v\u00e0o gi\u1ea3i 7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/lodekto.net\/dan-de\/#Bat_Dan_de_dua_vao_ket_qua_xo_so_ky_truoc\" title=\"B\u1eaft D\u00e0n \u0111\u1ec1 d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 k\u1ef3 tr\u01b0\u1edbc\">B\u1eaft D\u00e0n \u0111\u1ec1 d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 k\u1ef3 tr\u01b0\u1edbc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/lodekto.net\/dan-de\/#Bat_Dan_de_dua_tren_phuong_phap_ghep_giai_trong_2_ky_lien_tiep\" title=\"B\u1eaft D\u00e0n \u0111\u1ec1 d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p gi\u1ea3i trong 2 k\u1ef3 li\u00ean ti\u1ebfp\">B\u1eaft D\u00e0n \u0111\u1ec1 d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p gi\u1ea3i trong 2 k\u1ef3 li\u00ean ti\u1ebfp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/lodekto.net\/dan-de\/#Bat_Dan_de_theo_ket_qua_giai_dac_biet_ngay_2\" title=\"B\u1eaft D\u00e0n \u0111\u1ec1 theo k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y 2\">B\u1eaft D\u00e0n \u0111\u1ec1 theo k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y 2<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/lodekto.net\/dan-de\/#Ket_luan\" title=\"K\u1ebft lu\u1eadn\">K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_la_gi\"><\/span>D\u00e0n \u0111\u1ec1 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a title=\"D\u00e0n \u0111\u1ec1\" href=\"https:\/\/lodekto.net\/dan-de\/\" target=\"_blank\" rel=\"noopener\">D\u00e0n \u0111\u1ec1<\/a> la\u0300 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh \u0111\u1ec1 ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam. Ng\u01b0\u1eddi ch\u01a1i tham gia b\u1eb1ng c\u00e1ch d\u1ef1 \u0111o\u00e1n c\u00e1c con s\u1ed1 s\u1ebd xu\u1ea5t hi\u1ec7n trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. M\u1ed7i con s\u1ed1 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;\u0111\u1ec1&#8221; v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n nhi\u1ec1u \u0111\u1ec1 trong m\u1ed9t l\u1ea7n ch\u01a1i.<\/p>\n<p>C\u00e1ch ch\u01a1i d\u00e0n \u0111\u1ec1 \u0111\u01a1n gi\u1ea3n l\u00e0 ch\u1ecdn m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng con s\u1ed1 mu\u1ed1n \u0111\u00e1nh (th\u01b0\u1eddng l\u00e0 t\u1eeb 1 \u0111\u1ebfn 5 con s\u1ed1) v\u00e0 sau \u0111\u00f3 \u0111\u1eb7t c\u01b0\u1ee3c tr\u01b0\u1edbc khi k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1.<\/p>\n<p>Khi k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 v\u00e0 con s\u1ed1 xu\u1ea5t hi\u1ec7n trong k\u1ebft qu\u1ea3 n\u1eb1m trong s\u1ed1 c\u00e1c con s\u1ed1 \u0111\u00e3 ch\u1ecdn, ng\u01b0\u1eddi ch\u01a1i s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c ti\u1ec1n th\u01b0\u1edfng t\u00f9y thu\u1ed9c v\u00e0o t\u1ef7 l\u1ec7 c\u01b0\u1ee3c v\u00e0 s\u1ed1 ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c ban \u0111\u1ea7u.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_chan_bao_gom_nhung_con_so_nao\"><\/span>D\u00e0n \u0111\u1ec1 ch\u1eb5n bao g\u1ed3m nh\u1eefng con s\u1ed1 n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00e0n \u0111\u1ec1 ch\u1eb5n \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 khi c\u1ed9ng <strong>2<\/strong> s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ra \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 l\u00e0 s\u1ed1 ch\u1eb5n.<\/p>\n<p>D\u00e0n \u0111\u1ec1 ch\u1eb5n g\u1ed3m nh\u1eefng <span style=\"color: #ff0000;\"><strong>50<\/strong> <\/span>con s\u1ed1 nh\u01b0 sau:<\/p>\n<p><span style=\"color: #339966;\"><strong>00, 02, 04, 06, 08, 20, 22, 24, 26, 28, 40, 42, 44, 46, 48, 60, 62, 64, 66, 68, 80, 82, 84, 86, 88, 11, 13, 15, 17, 19, 31, 33, 35, 37, 39, 51, 53, 55, 57, 59, 71, 73, 75, 77, 79, 91, 93, 95, 97, 99.<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5094\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/Dan-de-chan-.jpg\" alt=\"D\u00e0n \u0111\u1ec1 ch\u1eb5n\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/Dan-de-chan-.jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/Dan-de-chan--400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/Dan-de-chan--150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/Dan-de-chan--768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_le_la_nhung_con_gi\"><\/span>D\u00e0n \u0111\u1ec1 l\u1ebb l\u00e0 nh\u1eefng con g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u00ean, d\u00e0n \u0111\u1ec1 l\u1ebb \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 khi c\u1ed9ng <strong>2<\/strong> s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ra \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n<p>D\u00e0n \u0111\u1ec1 l\u1ebb g\u1ed3m nh\u1eefng <span style=\"color: #ff0000;\"><strong>50<\/strong> <\/span>con s\u1ed1 nh\u01b0 sau:<\/p>\n<p><span style=\"color: #339966;\"><strong>01, 03, 05, 07, 09, 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63, 65, 67, 69, 81, 83, 85, 87, 89, 10, 12, 14, 16, 18, 30, 32, 34, 36, 38, 50, 52, 54, 56, 58, 70, 72, 74, 76, 78, 90, 92, 94, 96, 98.<\/strong><\/span><\/p>\n<figure id=\"attachment_4844\" aria-describedby=\"caption-attachment-4844\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4844 size-full\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/Tong-de-le-duoc-hieu-la-khi-cong-2-so-cuoi-giai-dac-biet-ra-duoc-mot-so-la-so-le..jpg\" alt=\"D\u00e0n \u0111\u1ec1 l\u1ebb \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 khi c\u1ed9ng 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ra \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 l\u00e0 s\u1ed1 l\u1ebb.\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/Tong-de-le-duoc-hieu-la-khi-cong-2-so-cuoi-giai-dac-biet-ra-duoc-mot-so-la-so-le..jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/Tong-de-le-duoc-hieu-la-khi-cong-2-so-cuoi-giai-dac-biet-ra-duoc-mot-so-la-so-le.-400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/Tong-de-le-duoc-hieu-la-khi-cong-2-so-cuoi-giai-dac-biet-ra-duoc-mot-so-la-so-le.-150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/Tong-de-le-duoc-hieu-la-khi-cong-2-so-cuoi-giai-dac-biet-ra-duoc-mot-so-la-so-le.-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-4844\" class=\"wp-caption-text\">D\u00e0n \u0111\u1ec1 l\u1ebb \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 khi c\u1ed9ng 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ra \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 l\u00e0 s\u1ed1 l\u1ebb.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_kep_bang_may_con\"><\/span>D\u00e0n <a title=\"\u0111\u00ea\u0300 k\u00e9p\" href=\"https:\/\/lodekto.net\/de-kep\/\" target=\"_blank\" rel=\"noopener\">\u0111\u00ea\u0300 k\u00e9p<\/a> b\u1eb1ng m\u1ea5y con?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p k\u00e9p b\u1eb1ng ng\u01b0\u1eddi b\u1ea1n ph\u1ea3i linh ho\u1ea1t v\u00e0 ph\u00e1t tri\u1ec3n th\u00eam c\u00e1c b\u1ed9 s\u1ed1 m\u1edbi d\u1ef1a tr\u00ean b\u1ed9 k\u00e9p.<\/p>\n<p>\u0110\u1ec1 k\u00e9p b\u1eb1ng g\u1ed3m <span style=\"color: #ff0000;\"><strong>9<\/strong> <\/span>s\u1ed1, c\u1ee5 th\u1ec3 l\u00e0:<\/p>\n<p><span style=\"color: #339966;\"><strong>00, 22, 33, 44, 55, 66, 77, 88, 99<\/strong><\/span><\/p>\n<figure id=\"attachment_4839\" aria-describedby=\"caption-attachment-4839\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4839 size-full\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-KEP.jpg\" alt=\"D\u00e0n \u0111\u1ec1 k\u00e9p\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-KEP.jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-KEP-400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-KEP-150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-KEP-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-4839\" class=\"wp-caption-text\">D\u00e0n \u0111\u1ec1 k\u00e9p <strong>00, 22, 33, 44, 55, 66, 77, 88, 99<\/strong><\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_sat_kep_lech\"><\/span>D\u00e0n \u0111\u00ea\u0300 s\u00e1t k\u00e9p l\u1ec7ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec1 d\u00e0n s\u00e1t k\u00e9p l\u1ec7ch s\u1ebd c\u00f3 <span style=\"color: #ff0000;\"><strong>20<\/strong> <\/span>s\u1ed1, c\u1ee5 th\u1ec3 l\u00e0:<\/p>\n<p><span style=\"color: #339966;\"><strong>04, 06, 15, 17, 26, 28, 37, 39, 48, 49, 50, 51, 60, 62, 71, 73, 82, 84, 93, 95<\/strong>.<\/span><\/p>\n<p>C\u00e1c b\u1ed9 s\u1ed1 n\u00e0y \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn \u0111\u1ec3 th\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00e1ch ch\u01a1i kh\u00e1c nhau.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_kep_lech\"><\/span>D\u00e0n \u0111\u00ea\u0300 k\u00e9p l\u1ec7ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ngo\u00e0i \u0111\u1ec1 t\u1ed5ng k\u00e9p b\u1eb1ng ra th\u00ec c\u00f2n c\u00f3 k\u00e9p l\u1ec7ch ch\u00ednh l\u00e0 nh\u1eefng s\u1ed1 b\u00f3ng c\u1ee7a k\u00e9p b\u1eb1ng.<\/p>\n<p>B\u1ed9 k\u00e9p l\u1ec7ch g\u1ed3m <span style=\"color: #ff0000;\"><strong>10<\/strong> <\/span>s\u1ed1, c\u1ee5 th\u1ec3:<\/p>\n<p><span style=\"color: #339966;\"><strong>05, 16, 27, 38, 49, 50, 61, 72, 83, 94<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_kep_am\"><\/span>D\u00e0n \u0111\u00ea\u0300 k\u00e9p \u00e2m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u1ef1a v\u00e0o \u0111\u1ecbnh ngh\u0129a c\u1ee7a b\u00f3ng \u00e2m, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 t\u00ecm cho m\u00ecnh \u0111\u01b0\u1ee3c b\u1ed9 s\u1ed1 k\u00e9p \u00e2m.<\/p>\n<p>Trong \u0111\u1ec1 t\u1ed5ng k\u00e9p \u00e2m c\u00f3 c\u00e1c s\u1ed1 nh\u01b0:<\/p>\n<p><span style=\"color: #339966;\"><strong> 07, 14, 29, 36, 41, 58, 63, 70, 85, 92<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_co_tong_bang_0\"><\/span>D\u00e0n \u0111\u1ec1 c\u00f3 t\u1ed5ng b\u1eb1ng 0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00e0n \u0111\u1ec1 s\u1ed1 0 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 nh\u1eefng b\u1ed9 s\u1ed1 c\u00f3 <strong>2<\/strong> ch\u1eef s\u1ed1 m\u00e0 khi c\u1ed9ng 2 ch\u1eef s\u1ed1 n\u00e0y s\u1ebd ra \u0111\u01b0\u1ee3c m\u1ed9t t\u1ed5ng l\u00e0 10 ho\u1eb7c 0 nh\u00e9.<\/p>\n<p>Trong b\u1ed9 t\u1ed5ng <strong>0<\/strong> s\u1ebd c\u00f3 c\u00e1c s\u1ed1 nh\u01b0 sau:<\/p>\n<p><span style=\"color: #339966;\"><strong>00, 19, 91, 28, 82, 37, 73, 46, 64, 55<\/strong>.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5096\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/DAN-DE-TONG.jpg\" alt=\"D\u00c0N \u0110\u1ec0 T\u1ed4NG\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/DAN-DE-TONG.jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/DAN-DE-TONG-400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/DAN-DE-TONG-150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/DAN-DE-TONG-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_1\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng = 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ed9 s\u1ed1 D\u00e0n \u0111\u1ec1 <strong>1<\/strong> l\u00e0 b\u1ed9 \u0111\u1ec1 <strong>2<\/strong> ch\u1eef s\u1ed1 c\u00f3 t\u1ed5ng b\u1eb1ng <strong>1<\/strong> ho\u1eb7c l\u00e0 <strong>11<\/strong>.<\/p>\n<p>Trong b\u1ed9 t\u1ed5ng <strong>1<\/strong> s\u1ebd c\u00f3 c\u00e1c s\u1ed1 nh\u01b0 sau:<\/p>\n<p><span style=\"color: #339966;\"><strong>01, 10, 29, 92, 38, 83, 47, 74 , 56<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_2\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng = 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ed9 D\u00e0n \u0111\u1ec1 2 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 b\u1ed9 \u0111\u1ec1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 t\u1ed5ng c\u1ee7a hai ch\u1eef s\u1ed1 n\u00e0y l\u00e0 2 hay l\u00e0 12.<\/p>\n<p>\u0110\u1ec1 t\u1ed5ng s\u1ebd g\u1ed3m 10 s\u1ed1:<\/p>\n<p><span style=\"color: #339966;\"><strong>20, 02, 39, 93, 48, 84, 57, 75, 66, 11<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_3_gom_nhung_con_gi\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng 3 g\u1ed3m nh\u1eefng con g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ed9 t\u1ed5ng 3 s\u1ebd c\u00f3 t\u1ed5ng 2 s\u1ed1 s\u1ebd l\u00e0 3 ho\u1eb7c l\u00e0 13.<\/p>\n<p>Trong \u0111\u1ec1 t\u1ed5ng 3 c\u00f3 c\u00e1c s\u1ed1 nh\u01b0:<\/p>\n<p><span style=\"color: #339966;\"><strong>03, 30, 12, 21, 49, 94, 58,85, 67, 76<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_4\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng = 4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1ebd bao g\u1ed3m c\u00e1c s\u1ed1 sau:<\/p>\n<p><span style=\"color: #339966;\"><strong>04 &#8211; 13 &#8211; 22 &#8211; 31 &#8211; 40 &#8211; 59 &#8211; 68 &#8211; 77 &#8211; 86 &#8211; 95<\/strong><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_bang_5\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ed9 s\u1ed1 l\u00f4 \u0111\u1ec1 t\u1ed5ng <strong>5<\/strong> l\u00e0 b\u1ed9 D\u00e0n \u0111\u1ec1 <strong>2<\/strong> ch\u1eef s\u1ed1, trong \u0111\u00f3, t\u1ed5ng <strong>2<\/strong> ch\u1eef s\u1ed1 n\u00e0y l\u00e0 <strong>5<\/strong> ho\u1eb7c l\u00e0 <strong>15<\/strong><\/p>\n<p>D\u00e0n \u0111\u1ec1 n\u00e0y bao g\u1ed3m c\u00e1c s\u1ed1 nh\u01b0:<\/p>\n<p><span style=\"color: #339966;\"><strong>05, 50 , 14, 41 , 23, 32 , 69 , 96 , 78 , 87<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_bang_6\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ed9 D\u00e0n \u0111\u1ec1 6 c\u0169ng t\u01b0\u01a1ng t\u1ef1 v\u1edbi t\u1ed5ng hai ch\u1eef s\u1ed1 l\u00e0 <strong>6 <\/strong>ho\u1eb7c <strong>16<\/strong><\/p>\n<p>D\u00e0n \u0111\u1ec1 b\u1eb1ng <strong>6<\/strong> c\u00f3 <span style=\"color: #ff0000;\"><strong>10<\/strong> <\/span>s\u1ed1, bao g\u1ed3m:<\/p>\n<p><span style=\"color: #339966;\"><strong> 06, 15, 24, 33, 79, 88 ,97, 42, 51, 60.<\/strong><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_bang_7\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00e0n \u0111\u1ec1 <strong>7<\/strong> c\u00f3 t\u1ed5ng hai ch\u1eef s\u1ed1 l\u00e0 <strong>7<\/strong> hay <strong>17<\/strong>.<\/p>\n<p>B\u1ed9 t\u1ed5ng b\u1eb1ng <span style=\"color: #ff0000;\"><strong>7<\/strong> <\/span>g\u1ed3m c\u00f3:<\/p>\n<p><span style=\"color: #339966;\"><strong>07, 16, 25, 34, 43, 52, 61, 70, 89, 98.<\/strong><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_bang_8\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng b\u1eb1ng 8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ed9 s\u1ed1 l\u00f4 \u0111\u1ec1 t\u1ed5ng 8 g\u1ed3m c\u00e1c s\u1ed1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 l\u00e0 8 hay 18.<\/p>\n<p>D\u00e0n \u0111\u1ec1 b\u1eb1ng 8 s\u1ebd bao g\u1ed3m s\u1ed1 sau:<\/p>\n<p><span style=\"color: #339966;\"><strong>08, 80, 17 , 71 , 26 , 62 , 3 5 , 53 , 44 , 99<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_9\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng = 9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ed9 D\u00e0n \u0111\u1ec1 <strong>9<\/strong> l\u00e0 b\u1ed9 D\u00e0n \u0111\u1ec1 c\u00f3 t\u1ed5ng 2 ch\u1eef s\u1ed1 l\u00e0 <strong>9<\/strong> ho\u1eb7c <strong>19<\/strong>.<\/p>\n<p>B\u1ed9 \u0111\u1ec1 n\u00e0y c\u00f3 <span style=\"color: #ff0000;\"><strong>10<\/strong> <\/span>s\u1ed1 nh\u01b0 sau:<\/p>\n<p><span style=\"color: #339966;\"><strong>09 , 18, 27 , 36 ,45, 81, 72 , 63, 54, 90<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_duoi_10\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi 10<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u00e2y l\u00e0 d\u1ea1ng D\u00e0n \u0111\u1ec1 m\u00e0 trong \u0111\u00f3 c\u00f3 t\u1ed5ng <strong>2<\/strong> ch\u1eef s\u1ed1 l\u00e0 d\u01b0\u1edbi <strong>10<\/strong>. Ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li>\n<blockquote><p>S\u1ed1 <strong>52<\/strong> c\u00f3 t\u1ed5ng l\u00e0 <strong>5<\/strong>+<strong>2<\/strong>=<strong>7<\/strong>&lt;<strong>10<\/strong>, do \u0111\u00f3, \u0111\u00e2y l\u00e0 s\u1ed1 thu\u1ed9c d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi <strong>10<\/strong>.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p>S\u1ed1 <strong>96<\/strong> c\u00f3 t\u1ed5ng l\u00e0 <strong>9<\/strong>+<strong>6<\/strong>=<strong>15<\/strong>&gt;<strong>10<\/strong>, do \u0111\u00f3, \u0111\u00e2y l\u00e0 s\u1ed1 kh\u00f4ng thu\u1ed9c d\u00e0n \u0111\u1ec1 t\u1ed5ng d\u01b0\u1edbi <strong>10<\/strong>.<\/p><\/blockquote>\n<\/li>\n<\/ul>\n<p>D\u00e0n \u0111\u1ec1 d\u01b0\u1edbi <strong>10 <\/strong>g\u1ed3m c\u00f3 <span style=\"color: #ff0000;\"><strong>55<\/strong> <\/span>s\u1ed1 kh\u00e1c nhau trong b\u1ed9.<\/p>\n<p>Khi t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u1ee7 nh\u1eadt v\u1ec1 d\u01b0\u1edbi 10 th\u00ec ng\u01b0\u1eddi ch\u01a1i n\u00ean \u00e1p d\u1ee5ng d\u00e0n \u0111\u1ec1 n\u00e0y.<\/p>\n<p><strong><span style=\"color: #008000;\">00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 40, 41, 42, 43, 44, 45, 50, 51, 52, 53, 54, 60, 61, 62, 63, 70, 71, 72, 80, 81, 90.<\/span><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_tren_10\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean 10<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00e0n \u0111\u1ec1 t\u1ed5ng tr\u00ean <strong>10 <\/strong>s\u1ebd c\u00f3 t\u1ed5ng c\u1ed9ng <span style=\"color: #ff0000;\"><strong>45<\/strong> <\/span>s\u1ed1:<\/p>\n<p><span style=\"color: #008000;\"><strong>19, 28, 29, 37, 38, 39, 46, 47, 48, 49, 55, 56, 57, 58, 59, 64, 65, 66, 67, 68, 69, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 85, 86, 87, 88, 89, 91, 92, 93, 94, 95, 96, 97, 98, 99.<\/strong><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_chia_het_cho_3\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng chia h\u1ebft cho 3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00e0n \u0111\u1ec1 chia h\u1ebft cho <strong>3<\/strong> ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u00f3 th\u1ec3 chia \u0111\u01b0\u1ee3c cho 3<strong>.<\/strong><\/p>\n<p>Trong c\u00e1c b\u1ed9 s\u1ed1 t\u1eeb <strong>00<\/strong> \u0111\u1ebfn <strong>99<\/strong> \u0111\u01b0\u1ee3c th\u1ed1ng k\u00ea c\u00f3 <span style=\"color: #ff0000;\"><strong>34<\/strong> <\/span>c\u1eb7p s\u1ed1 th\u00ec \u0111\u1ec1 t\u1ed5ng chia h\u1ebft cho <strong>3<\/strong>, c\u1ee5 th\u1ec3 l\u00e0:<\/p>\n<p><span style=\"color: #339966;\"><strong>00, 03, 06, 09, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_chia_3_du_1\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng chia 3 d\u01b0 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00e0n \u0111\u1ec1 chia <strong>3<\/strong> d\u01b0 <strong>1<\/strong> t\u1ee9c l\u00e0 b\u1ed9 D\u00e0n \u0111\u1ec1 c\u00f3 c\u00e1c s\u1ed1 khi chia t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 cho <strong>3<\/strong> v\u00e0 d\u01b0 <strong>1<\/strong> \u0111\u01a1n v\u1ecb.<\/p>\n<p>B\u1ed9 \u0111\u1ec1 t\u1ed5ng chia <strong>3<\/strong> d\u01b0 <strong>1<\/strong> g\u1ed3m <span style=\"color: #ff0000;\"><strong>33<\/strong> <\/span>con s\u1ed1 l\u00e0:<\/p>\n<p><span style=\"color: #339966;\"><strong>01, 04, 07, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97<\/strong>.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4840 size-full\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-TONG-CHIA.jpg\" alt=\"D\u00c0N \u0110\u1ec0 T\u1ed4NG CHIA\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-TONG-CHIA.jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-TONG-CHIA-400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-TONG-CHIA-150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DAN-DE-TONG-CHIA-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_tong_chia_3_du_2\"><\/span>D\u00e0n \u0111\u1ec1 t\u1ed5ng chia 3 d\u01b0 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c s\u1ed1 thu\u1ed9c b\u1ed9 \u0111\u1ec1 t\u1ed5ng n\u00e0y s\u1ebd c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 chia cho <strong>3<\/strong> v\u00e0 d\u01b0 <strong>2<\/strong>.<\/p>\n<p>C\u00e1c s\u1ed1 trong b\u1ed9 \u0111\u1ec1 t\u1ed5ng chia <strong>3<\/strong> d\u01b0 <strong>2<\/strong> l\u00e0:<\/p>\n<p><span style=\"color: #339966;\"><strong>02, 05, 08, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41, 44, 47, 50, 53, 56, 59, 62, 65, 68, 71, 74, 77, 80, 83, 86, 89, 92, 95, 98<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dan_de_ca_nam_theo_tam_giac_Pascal\"><\/span>D\u00e0n \u0111\u1ec1 c\u1ea3 n\u0103m theo tam gi\u00e1c Pascal<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1eed d\u1ee5ng D\u00e0n \u0111\u1ec1 c\u1ea3 n\u0103m theo tam gi\u00e1c Pascal c\u1ee7a Newton l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec7t v\u1eddi cho vi\u1ec7c nghi\u00ean c\u1ee9u l\u00f4 \u0111\u1ec1 chu\u1ea9n x\u00e1c.<\/p>\n<p>Tuy nhi\u00ean ng\u01b0\u1eddi ch\u01a1i c\u1ea7n hi\u1ec3u r\u00f5 v\u00e0 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1edbi <a title=\"ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u\" href=\"https:\/\/lodekto.net\/phuong-phap-soi-cau-mien-bac\/\" target=\"_blank\" rel=\"noopener\">ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u<\/a> h\u00ecnh tam gi\u00e1c.<\/p>\n<p>Qua KQXS h\u00f4m tr\u01b0\u1edbc, ng\u01b0\u1eddi ch\u01a1i <span style=\"color: #ff0000;\"><strong>ch\u1ecdn ra \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 c\u1ee7a gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 ti\u1ebfn h\u00e0nh vi\u1ebft th\u00e0nh h\u00e0ng \u1edf ph\u00eda \u0111\u00e1y tam gi\u00e1c.<\/strong><\/span><\/p>\n<p>\u0110\u00e2y l\u00e0 l\u00fac \u0111\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p Pascal n\u00e0y \u0111\u1ec3 l\u00ean h\u00ecnh soi c\u1ea7u.<\/p>\n<p>Ti\u1ebfp \u0111\u00f3, ng\u01b0\u1eddi ch\u01a1i <span style=\"color: #ff0000;\"><strong>c\u1ed9ng hai s\u1ed1 t\u1eeb tr\u00e1i qua ph\u1ea3i \u0111\u1ec3 c\u00f3 d\u00e3y s\u1ed1 m\u1edbi<\/strong><\/span> v\u00e0 t\u1ea1o ra h\u00e0ng th\u1ee9 hai, c\u1ee5 th\u1ec3:<\/p>\n<p>V\u00ed d\u1ee5 nh\u01b0 sau: Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<span style=\"color: #ff0000;\"><strong> 7 1 8 6 8<\/strong><\/span> v\u00e0 Gi\u1ea3i Nh\u1ea5t <span style=\"color: #ff0000;\"><strong>6 7 1 3 6<\/strong> <\/span><\/p>\n<p><span style=\"color: #ff0000;\"><strong>7+6, 1+7, 8+1, 6+3, 8+6 ra h\u00e0ng th\u1ee9 hai l\u00e0 13, 8, 9, 14.<\/strong><\/span><\/p>\n<p>Ti\u1ebfp t\u1ee5c c\u1ed9ng nh\u01b0 v\u1eady \u0111\u1ebfn khi xu\u1ea5t hi\u1ec7n h\u00e0ng cu\u1ed1i c\u00f9ng l\u00e0 <strong>85 <\/strong>&#8211; <strong>58<\/strong>. \u0110\u00e2y l\u00e0 k\u1ebft qu\u1ea3 l\u00f4 cu\u1ed1i c\u00f9ng ng\u01b0\u1eddi ch\u01a1i c\u1ea7n nu\u00f4i.<\/p>\n<figure id=\"attachment_4837\" aria-describedby=\"caption-attachment-4837\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4837 size-full\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/THEO-TAM-GIAC-PASCAL.jpg\" alt=\"D\u00e0n \u0111\u1ec1 THEO TAM GI\u00c1C PASCAL\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/THEO-TAM-GIAC-PASCAL.jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/THEO-TAM-GIAC-PASCAL-400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/THEO-TAM-GIAC-PASCAL-150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/THEO-TAM-GIAC-PASCAL-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-4837\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng D\u00e0n \u0111\u1ec1 c\u1ea3 n\u0103m theo tam gi\u00e1c Pascal c\u1ee7a Newton l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec7t v\u1eddi cho vi\u1ec7c nghi\u00ean c\u1ee9u l\u00f4 \u0111\u1ec1 chu\u1ea9n x\u00e1c.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Cach_bat_dan_de_chuan_xac_nhat\"><\/span>C\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n x\u00e1c nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng tay ch\u01a1i chuy\u00ean nghi\u1ec7p, ch\u1eafc ch\u1eafn c\u00e1ch b\u1eaft d\u00e0n \u0111\u1ec1 chu\u1ea9n kh\u00f4ng c\u00f2n l\u00e0 \u0111i\u1ec1u xa l\u1ea1.<\/p>\n<p>Tuy nhi\u00ean, v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi t\u1eadp ch\u01a1i, c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00e1ch b\u1eaft D\u00e0n \u0111\u1ec1 chu\u1ea9n x\u00e1c nh\u1ea5t sau \u0111\u00e2y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5097\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/TONG-DE-CHUAN-XAC.jpg\" alt=\"c\u00e1ch b\u1eaft t\u1ed5ng \u0111\u1ec1 chu\u1ea9n x\u00e1c nh\u1ea5t\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/TONG-DE-CHUAN-XAC.jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/TONG-DE-CHUAN-XAC-400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/TONG-DE-CHUAN-XAC-150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/06\/TONG-DE-CHUAN-XAC-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Choi_dan_de_tong_chanle\"><\/span>Ch\u01a1i d\u00e0n \u0111\u1ec1 t\u1ed5ng ch\u1eb5n\/l\u1ebb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1eaft d\u00e0n \u0111\u1ec1 ch\u1eb5n\/ l\u1ebb \u0111\u01b0\u1ee3c t\u00e1ch th\u00e0nh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1eaft t\u1ed5ng ch\u1eb5n l\u1ebb theo s\u1ed1 gi\u1eefa hay l\u00e0 s\u1ed1 \u0111\u1ea7u v\u00e0 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n<ul>\n<li>\n<blockquote><p><strong>Khi theo s\u1ed1 gi\u1eefa gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong>: Ng\u01b0\u1eddi ch\u01a1i c\u1ea7n l\u1ea5y k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a th\u1ee9 n\u00e0y tu\u1ea7n tr\u01b0\u1edbc \u0111\u1ec3 b\u1eaft \u0111\u1ec1 v\u00e0o h\u00f4m nay. N\u1ebfu s\u1ed1 \u1edf gi\u1eefa k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 ch\u1eb5n, ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ec1 s\u1ed1 ch\u1eb5n.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><strong>Khi theo s\u1ed1 \u0111\u1ea7u v\u00e0 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong>: N\u1ebfu t\u1ed5ng s\u1ed1 \u0111\u1ea7u, s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t h\u00f4m nay l\u00e0 s\u1ed1 l\u1ebb th\u00ec trong 3 ng\u00e0y ti\u1ebfp theo, h\u00e3y nu\u00f4i c\u00e1c s\u1ed1 l\u1ebb. T\u01b0\u01a1ng t\u1ef1 v\u1edbi s\u1ed1 ch\u1eb5n c\u0169ng v\u1eady.<\/p><\/blockquote>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Bat_dan_de_hang_ngay_theo_kieu_bac_nho\"><\/span>B\u1eaft d\u00e0n \u0111\u1ec1 h\u1eb1ng ng\u00e0y theo ki\u1ec3u b\u1ea1c nh\u1edb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1eaft d\u00e0n \u0111\u1ec1 h\u00e0ng ng\u00e0y theo ki\u1ec3u b\u1ea1c nh\u1edb l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 kh\u00e1 cao.<\/p>\n<p>N\u1ebfu d\u00e0n \u0111\u1ec1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t h\u00f4m nay l\u00e0 3 th\u00ec ng\u01b0\u1eddi ch\u01a1i n\u00ean \u0111\u1ec3 \u00fd \u0111\u1ebfn c\u00e1c \u0111\u1ec1 c\u00f3 t\u1ed5ng l\u00e0 3 v\u00e0o h\u00f4m sau.<\/p>\n<p>Trong 3 ng\u00e0y ti\u1ebfp theo, h\u00e3y nu\u00f4i d\u00e0n \u0111\u1ec1 c\u1ee7a h\u00f4m nay \u0111\u1ec3 ki\u1ec3m nghi\u1ec7m.<\/p>\n<p>Tuy nhi\u00ean, v\u1edbi d\u00e0n \u0111\u1ec1 kh\u00f4ng tr\u00fang 3 ng\u00e0y sau \u0111\u00f3, h\u00e3y lo\u1ea1i b\u1ecf ngay.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bat_dan_de_dua_vao_giai_7\"><\/span>B\u1eaft d\u00e0n \u0111\u1ec1 d\u1ef1a v\u00e0o gi\u1ea3i 7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c xem l\u00e0 kh\u00e1 \u0111\u01a1n gi\u1ea3n b\u1edfi ng\u01b0\u1eddi ch\u01a1i ch\u1ec9 c\u1ea7n xem c\u00e1c gi\u1ea3i 7 \u0111\u00e3 v\u1ec1 trong c\u00e1c k\u1ef3 quay th\u01b0\u1edfng tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n<p>Sau \u0111\u00f3, ng\u01b0\u1eddi ch\u01a1i ti\u1ebfn h\u00e0nh c\u1ed9ng 2 ch\u1eef s\u1ed1 v\u1ec1 trong ca\u0301c gi\u1ea3i 7 l\u1ea1i v\u1edbi nhau.<\/p>\n<p>T\u1ed5ng v\u00e0 hi\u1ec7u c\u1ee7a 2 s\u1ed1 thu \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o \u0111\u1ec3 l\u00e0m d\u00e0n \u0111\u1ec1 \u0111\u00e1nh trong 3 ng\u00e0y ti\u1ebfp theo b\u1edfi t\u1ef7 l\u1ec7 tr\u00fang kh\u00e1 cao.<\/p>\n<p>Vi\u0301 du\u0323:<\/p>\n<p>Nga\u0300y 1, gia\u0309i 7 la\u0300 01 \u2192 t\u00f4\u0309ng \u0111\u00ea\u0300 (0+1) =1.<\/p>\n<p>Nga\u0300y 2, gia\u0309i 7 la\u0300 02 \u2192 t\u00f4\u0309ng \u0111\u00ea\u0300 (0+2) =2<\/p>\n<p>\u2192 D\u00e0n \u0111\u1ec1 t\u1ed5ng 12 l\u00e0 \u0111\u00e1p \u00e1n cho l\u1eddi gi\u1ea3i n\u00e0y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4836 size-full\" src=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DUA-VAO-PHEP-GIAI-TRONG-2-KY-LIEN-TIEP.jpg\" alt=\"D\u1ef0A V\u00c0O PH\u00c9P GI\u1ea2I TRONG 2 K\u1ef2 LI\u00caN TI\u1ebeP\" width=\"900\" height=\"900\" title=\"\" srcset=\"https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DUA-VAO-PHEP-GIAI-TRONG-2-KY-LIEN-TIEP.jpg 900w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DUA-VAO-PHEP-GIAI-TRONG-2-KY-LIEN-TIEP-400x400.jpg 400w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DUA-VAO-PHEP-GIAI-TRONG-2-KY-LIEN-TIEP-150x150.jpg 150w, https:\/\/lodekto.net\/wp-content\/uploads\/2022\/04\/DUA-VAO-PHEP-GIAI-TRONG-2-KY-LIEN-TIEP-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bat_Dan_de_dua_vao_ket_qua_xo_so_ky_truoc\"><\/span>B\u1eaft D\u00e0n \u0111\u1ec1 d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 k\u1ef3 tr\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 k\u1ef3 tr\u01b0\u1edbc, ng\u01b0\u1eddi ch\u01a1i ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c D\u00e0n \u0111\u1ec1.<\/p>\n<p>Vi\u0301 du\u0323:<\/p>\n<p>nga\u0300y 1, k\u00ea\u0301t qua\u0309 gia\u0309i \u0111\u0103\u0323c bi\u00ea\u0323t : 012345<\/p>\n<p>T\u00f4\u0309ng \u0111\u00ea\u0300 lu\u0301c na\u0300y (0+1+2+3+4+5) = (15 = 1+5) = 6<\/p>\n<p>\u2192 \u0110a\u0301nh b\u00f4\u0323 \u0111\u00ea\u0300 s\u00f4\u0301 6.<\/p>\n<p>H\u00e3y l\u1ea5y t\u1ed5ng c\u00e1c con s\u1ed1 c\u00f3 trong d\u00e3y v\u00e0 ti\u1ebfn h\u00e0nh nu\u00f4i c\u00e1c ng\u00e0y ti\u1ebfp theo.<\/p>\n<p>Nh\u01b0ng n\u1ebfu \u0111\u00e3 c\u00f3 t\u1ed5ng th\u00ec ng\u01b0\u1eddi ch\u01a1i n\u00ean l\u1ea5y con s\u1ed1 ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 nu\u00f4i th\u00eam.<\/p>\n<p>\u0110\u00f4\u0300ng th\u01a1\u0300i, ba\u0323n c\u1ea7n k\u00ea\u0301t h\u01a1\u0323p v\u01a1\u0301i ca\u0301c quy lu\u1eadt kh\u00e1c n\u1eefa \u0111\u1ec3 b\u1eaft D\u00e0n \u0111\u1ec1 ch\u00ednh x\u00e1c nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bat_Dan_de_dua_tren_phuong_phap_ghep_giai_trong_2_ky_lien_tiep\"><\/span>B\u1eaft D\u00e0n \u0111\u1ec1 d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p gi\u1ea3i trong 2 k\u1ef3 li\u00ean ti\u1ebfp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tuy ph\u1ee9c t\u1ea1p h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nh\u01b0ng c\u00e1ch b\u1eaft D\u00e0n \u0111\u1ec1 n\u00e0y l\u1ea1i mang l\u1ea1i hi\u1ec7u qu\u1ea3 c\u1ef1c cao. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e1ch ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 tham kh\u1ea3o \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 chu\u1ea9n nh\u1ea5t.<\/p>\n<ul>\n<li>\n<blockquote><p><strong>Tr\u01b0\u1eddng h\u1ee3p 1<\/strong>: N\u1ebfu t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y 1 v\u00e0 ng\u00e0y 2 \u0111\u1ec1u nh\u1ecf h\u01a1n 10, h\u00e3y l\u1ea5y 10 tr\u1eeb cho t\u1ed5ng c\u1ee7a 2 ng\u00e0y \u0111\u1ec3 thu \u0111\u01b0\u1ee3c con s\u1ed1 c\u1ea7n t\u00ecm.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><strong>Tr\u01b0\u1eddng h\u1ee3p 2<\/strong>: N\u1ebfu t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u00e0y 1 v\u00e0 ng\u00e0y 2 l\u1edbn h\u01a1n 10, h\u00e3y l\u1ea5y 20 tr\u1eeb cho t\u1ed5ng 2 ng\u00e0y \u0111\u1ec3 t\u1ea1o ra con s\u1ed1 c\u1ea7n t\u00ecm.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><strong>Tr\u01b0\u1eddng h\u1ee3p 3<\/strong>: N\u1ebfu t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y 1 l\u1edbn h\u01a1n 10 v\u00e0 ng\u00e0y 2 b\u00e9 h\u01a1n 10, h\u00e3y l\u1ea5y 10 tr\u1eeb t\u1ed5ng ng\u00e0y 2 v\u00e0 20 tr\u1eeb t\u1ed5ng ng\u00e0y 1 \u0111\u1ec3 thu \u0111\u01b0\u1ee3c s\u1ed1 c\u1ea7n t\u00ecm.<\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><strong>Tr\u01b0\u1eddng h\u1ee3p 4<\/strong>: N\u1ebfu t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y 1 nh\u1ecf h\u01a1n 10 v\u00e0 t\u1ed5ng ng\u00e0y 2 nh\u1ecf h\u01a1n 20, h\u00e3y l\u1ea5y 20 tr\u1eeb t\u1ed5ng ng\u00e0y 2 v\u00e0 10 tr\u1eeb t\u1ed5ng ng\u00e0y 1 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 c\u1ea7n t\u00ecm.<\/p><\/blockquote>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Bat_Dan_de_theo_ket_qua_giai_dac_biet_ngay_2\"><\/span>B\u1eaft D\u00e0n \u0111\u1ec1 theo k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y 2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, ng\u01b0\u1eddi ch\u01a1i h\u00e3y l\u1ea5y gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u00e0y 2 v\u00e0 2 l\u00e0 s\u1ed1 \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n trong gi\u1ea3i.<\/p>\n<p>Ti\u1ebfp \u0111\u00f3, ng\u01b0\u1eddi ch\u01a1i h\u00e3y l\u1ea5y con s\u1ed1 \u0111\u00f3 l\u00e0m D\u00e0n \u0111\u1ec1 v\u00e0 c\u00e1c con s\u1ed1 trong d\u00e3y D\u00e0n \u0111\u1ec1 \u0111\u1ec3 th\u1eed v\u1eadn may.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin v\u1ec1 d\u00e0n \u0111\u1ec1 m\u00e0 <a title=\"L\u00f4 \u0111\u1ec1 KTO\" href=\"https:\/\/lodekto.net\/\" target=\"_blank\" rel=\"noopener\">L\u00f4 \u0111\u1ec1 KTO<\/a> \u0111\u00e3 cung c\u1ea5p.<\/p>\n<p>Ba\u0323n co\u0301 th\u00ea\u0309 \u01b0\u0301ng du\u0323ng ca\u0301c b\u00f4\u0323 s\u00f4\u0301 cu\u0309a t\u00f4\u0309ng \u0111\u00ea\u0300 na\u0300y va\u0300o th\u01b0\u0323c chi\u00ea\u0301n.<\/p>\n<p>May m\u0103\u0301n lu\u00f4n xa\u0309y ra m\u00f4\u0303i gi\u00e2y.<\/p>\n<p>Ba\u0323n co\u0301 th\u00ea\u0309 comment b\u00ean d\u01b0\u01a1\u0301i \u0111\u00ea\u0309 ca\u0301c \u0111\u00f4\u0323c gia\u0309 cu\u0309a KTO theo do\u0303i.<\/p>\n<p>\u0110\u00f4\u0300ng th\u01a1\u0300i, n\u00ea\u0301u co\u0301 pha\u0301t hi\u00ea\u0323n sai so\u0301t trong ba\u0300i vi\u00ea\u0301t, \u0111\u01b0\u0300ng ng\u00e2\u0300n nga\u0323i ma\u0300 comment ho\u0103\u0323c li\u00ean h\u00ea\u0323 t\u01a1\u0301i <a href=\"https:\/\/lodekto.net\/\" target=\"_blank\" rel=\"noopener\">L\u00f4 \u0110\u00ea\u0300 KTO<\/a>.<\/p>\n<p>Xin ca\u0309m \u01a1n va\u0300 he\u0323n g\u0103\u0323p la\u0323i!<\/p>\n<p>\u0110\u1eebng qu\u00ean \u0111\u00f3n xem: <a href=\"https:\/\/lodekto.net\/category\/soi-cau-lo-de\/\">Soi C\u1ea7u L\u00f4 \u0110\u1ec1 <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00f4\u0309ng Quan: La\u0300 ng\u01b0\u1eddi m\u1edbi, ch\u0103\u0301c ch\u0103\u0301n ba\u0323n s\u1ebd c\u00f2n l\u00fang t\u00fang v\u1ec1 kh\u00e1i ni\u1ec7m d\u00e0n \u0111\u1ec1 c\u0169ng nh\u01b0 c\u00e1ch \u0111\u1ec3 t\u1ea1o d\u00e0n \u0111\u1ec1 c\u1ef1c chu\u1ea9n. V\u00ec th\u1ebf, ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p l\u01b0\u1eddi gi\u1ea3i \u0111\u00e1p cho c\u00e1c c\u00e2u h\u1ecfi sau, bao qu\u00e1t t\u1ea5t c\u1ea3 th\u00f4ng tin v\u1ec1 d\u00e0n \u0111\u1ec1 gi\u00fap b\u1ea1n: D\u00e0n \u0111\u1ec1 l\u00e0 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":5093,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/posts\/3918"}],"collection":[{"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/comments?post=3918"}],"version-history":[{"count":20,"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/posts\/3918\/revisions"}],"predecessor-version":[{"id":10960,"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/posts\/3918\/revisions\/10960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/media\/5093"}],"wp:attachment":[{"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/media?parent=3918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/categories?post=3918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lodekto.net\/wp-json\/wp\/v2\/tags?post=3918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}