{"common":{"save":0,"post_id":"4551","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6442","post_id":"4551","mon_id":"1158113","chapter_id":"1158119","question":"<p>Lan \u0111\u1ecdc h\u1ebft m\u1ed9t cu\u1ed1n sách dày 70 trang trong hai ngày. Ngày th\u1ee9 nh\u1ea5t Lan \u0111\u1ecdc \u0111\u01b0\u1ee3c <span class=\"math-tex\">$\\dfrac{4}{7}$<\/span> s\u1ed1 trang cu\u1ed1n sách. H\u1ecfi ngày th\u1ee9 nh\u1ea5t Lan \u0111\u1ecdc \u0111\u01b0\u1ee3c bao nhiêu trang sách?<\/p>","options":["40","50","60"],"correct":"1","level":"1","hint":"<p>Mu\u1ed1n tìm <span class=\"math-tex\">$\\dfrac{m}{n}$<\/span> c\u1ee7a m\u1ed9t s\u1ed1 <span class=\"math-tex\">$a$<\/span> cho tr\u01b0\u1edbc ta tính <span class=\"math-tex\">$a.\\dfrac{m}{n}$<\/span> .<\/p>","answer":"<p>S\u1ed1 trang sách Lan \u0111\u1ecdc \u0111\u01b0\u1ee3c trong ngày th\u1ee9 nh\u1ea5t là<\/p><p><span class=\"math-tex\">$70.\\dfrac{4}{7} = $<\/span> <strong><span style=\"color:#16a085;\">40 (trang sách)<\/span><\/strong><\/p><p>\u0110áp án \u0111úng là <b><span style=\"color:#16a085;\"> 40<\/span> .<\/b><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2021-08-25 10:28:45","option_type":"number","len":0},{"id":"6443","post_id":"4551","mon_id":"1158113","chapter_id":"1158119","question":"<p>Mu\u1ed1n tìm <span class=\"frac123\"><span class=\"ts\">m<\/span><span class=\"ms\">n<\/span><\/span> c\u1ee7a m\u1ed9t s\u1ed1 a cho tr\u01b0\u1edbc ta tính ?<\/p>","options":["<span class=\"math-tex\">$a.\\dfrac{m}{n}$<\/span>","<span class=\"math-tex\">$a:\\dfrac{m}{n}$<\/span>"],"correct":"1","level":"1","hint":"","answer":"<p>Mu\u1ed1n tìm <span class=\"math-tex\">$\\dfrac{m}{n}$<\/span> c\u1ee7a m\u1ed9t s\u1ed1 <span class=\"math-tex\">$a$<\/span> cho tr\u01b0\u1edbc ta tính <span style=\"color:#16a085;\"><span class=\"math-tex\">$a.\\dfrac{m}{n}$<\/span><\/span> .<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><span class=\"math-tex\">$a.\\dfrac{m}{n}$<\/span> .<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-08-25 10:39:25","option_type":"math","len":0},{"id":"6444","post_id":"4551","mon_id":"1158113","chapter_id":"1158119","question":"<p>Mu\u1ed1n tìm m\u1ed9t s\u1ed1 bi\u1ebft <span class=\"frac123\"><span class=\"ts\">m<\/span><span class=\"ms\">n<\/span><\/span> c\u1ee7a nó bi\u1ebft <span class=\"frac123\"><span class=\"ts\">m<\/span><span class=\"ms\">n<\/span><\/span> c\u1ee7a nó b\u1eb1ng a, ta tính ?<\/p>","options":["<span class=\"math-tex\">$a.\\dfrac{m}{n}$<\/span>","<span class=\"math-tex\">$a:\\dfrac{m}{n}$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p>Mu\u1ed1n tìm m\u1ed9t s\u1ed1 bi\u1ebft <span class=\"math-tex\">$\\dfrac{m}{n}$<\/span> c\u1ee7a nó bi\u1ebft <span class=\"math-tex\">$\\dfrac{m}{n}$<\/span> c\u1ee7a nó b\u1eb1ng <span class=\"math-tex\">$a$<\/span>, ta tính <span style=\"color:#16a085;\"><span class=\"math-tex\">$a:\\dfrac{m}{n}$<\/span><\/span> .<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><span class=\"math-tex\">$a:\\dfrac{m}{n}$<\/span> .<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-08-25 10:43:55","option_type":"math","len":0}]}
