{"common":{"save":0,"post_id":"6940","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2349","post_id":"6940","mon_id":"1159012","chapter_id":"1159019","question":"<p><span class=\"math-tex\">$\\dfrac{1}{2}=\\dfrac{?}{10}$<\/span><\/p>","options":["<strong>5<\/strong>","<strong>6<\/strong>","<strong>4<\/strong>","<strong>7<\/strong>"],"correct":"1","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{1}{2}=\\dfrac{1\\mathbf{x}5}{2\\mathbf{x}5}=\\dfrac{5}{10}$<\/span> <\/p><p>Ch\u1ecdn bông hoa ghi s\u1ed1 <span style=\"color:#16a085;\"><strong>5<\/strong><\/span>.<\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"131","test":"0","date":"2024-01-31 01:59:05","option_type":"txt","len":0},{"id":"2350","post_id":"6940","mon_id":"1159012","chapter_id":"1159019","question":"<p><span class=\"math-tex\">$\\dfrac{45}{60}=\\dfrac{15}{?}$<\/span><\/p>","options":["<strong>21<\/strong>","<strong>20<\/strong>","<strong>18<\/strong>","<strong>23<\/strong>"],"correct":"2","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{45}{60}=\\dfrac{45:3}{60:3}=\\dfrac{15}{20}$<\/span> <\/p><p>Ch\u1ecdn ngôi sao ghi s\u1ed1 <span style=\"color:#16a085;\"><strong>20<\/strong><\/span>.<\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"0","date":"2024-01-31 02:02:11","option_type":"txt","len":0},{"id":"2352","post_id":"6940","mon_id":"1159012","chapter_id":"1159019","question":"<p><span class=\"math-tex\">$\\dfrac{400}{500}=\\dfrac{4}{?}$<\/span><\/p>","options":["<strong>4<\/strong>","<strong>3<\/strong>","<strong>6<\/strong>","<strong>5<\/strong>"],"correct":"4","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{400}{500}=\\dfrac{400:100}{500:100}=\\dfrac{4}{5}$<\/span>.<\/p><p>Ch\u1ecdn qu\u1ea3 bóng ghi s\u1ed1 <span style=\"color:#16a085;\"><strong>5<\/strong><\/span>.<\/p>","type":"choose","extra_type":"balloon","time":"0","user_id":"131","test":"0","date":"2024-01-31 02:03:46","option_type":"txt","len":0}]}
