{"common":{"save":0,"post_id":"6915","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2632","post_id":"6915","mon_id":"1159012","chapter_id":"1159024","question":"<p><span class=\"math-tex\">$\\dfrac{1}{3}$<\/span>&nbsp;c\u1ee7a 15&nbsp;l&agrave;&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;.<\/p>","options":"","correct":["[\"5\"]"],"level":"1","hint":"","answer":"<p>&nbsp;<span class=\"math-tex\">$\\dfrac{1}{3}$<\/span>&nbsp;c\u1ee7a 15 l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{1}{3}\\mathbf{x}15=5$<\/span>&nbsp;.<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n l&agrave; <span style=\"color:#16a085;\"><strong>5<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-13 00:57:06"},{"id":"2633","post_id":"6915","mon_id":"1159012","chapter_id":"1159024","question":"<p><span class=\"math-tex\">$\\dfrac{3}{5}$<\/span>&nbsp;c\u1ee7a 20 l&agrave;&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;.<\/p>","options":"","correct":["[\"12\"]"],"level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{3}{5}$<\/span>&nbsp;c\u1ee7a 20 l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{3}{5}\\mathbf{x}20=12$<\/span>&nbsp;.<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n l&agrave; <span style=\"color:#16a085;\"><strong>12<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-13 00:58:23"},{"id":"2634","post_id":"6915","mon_id":"1159012","chapter_id":"1159024","question":"<p>T&igrave;m&nbsp;<span class=\"math-tex\">$\\dfrac{5}{6}$<\/span>&nbsp;c\u1ee7a 12.<\/p>","options":["<strong>8<\/strong>","<strong>10<\/strong>","<strong>9<\/strong>","<strong>7<\/strong>"],"correct":"2","level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{5}{6}$<\/span>&nbsp;c\u1ee7a 12 l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{5}{6}\\mathbf{x}12=10$<\/span>.<\/p><p>Ch\u1ecdn qu\u1ea3 b&oacute;ng ghi s\u1ed1 <span style=\"color:#16a085;\"><strong>10<\/strong><\/span>.<\/p>","type":"choose","extra_type":"balloon","time":"0","user_id":"131","test":"0","date":"2024-02-13 01:00:05","option_type":"txt","len":0}]}