{"common":{"save":0,"post_id":"6936","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2521","post_id":"6936","mon_id":"1159012","chapter_id":"1159022","question":"<p><span class=\"math-tex\">$\\dfrac{7}{12}-\\dfrac{2}{12}$<\/span> = <span class=\"frac123\"><span class=\"ts\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><span class=\"ms\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><\/span><\/p>","options":"","correct":["[\"5\",\"12\"]"],"level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{7}{12}-\\dfrac{2}{12}=\\dfrac{7-2}{12}=\\dfrac{5}{12}$<\/span><\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n t\u1eeb trên xu\u1ed1ng d\u01b0\u1edbi l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>5<\/strong><\/span> và <span style=\"color:#16a085;\"><strong>12<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-08 02:55:30"},{"id":"2522","post_id":"6936","mon_id":"1159012","chapter_id":"1159022","question":"<p><span class=\"math-tex\">$\\dfrac{15}{8}-\\dfrac{8}{8}=$<\/span> <span class=\"frac123\"><span class=\"ts\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><span class=\"ms\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><\/span><\/p>","options":"","correct":["[\"7\",\"8\"]"],"level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{15}{8}-\\dfrac{8}{8}=\\dfrac{15-8}{8}=\\dfrac{7}{8}$<\/span><\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n t\u1eeb trên xu\u1ed1ng d\u01b0\u1edbi l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>7<\/strong><\/span> và <span style=\"color:#16a085;\"><strong>8<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-08 02:59:56"},{"id":"2523","post_id":"6936","mon_id":"1159012","chapter_id":"1159022","question":"<p><span class=\"math-tex\">$\\dfrac{14}{5}-\\dfrac{7}{5}=$<\/span><input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{5}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{5}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{9}{5}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{5}$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{14}{5}-\\dfrac{7}{5}=\\dfrac{14-7}{5}=\\dfrac{7}{5}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{5}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-08 03:02:48","option_type":"math","len":0}]}
