{"common":{"save":0,"post_id":"6790","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1356","post_id":"6790","mon_id":"1159012","chapter_id":"1159021","question":"<p>1m&sup2; 50dm&sup2; =&nbsp;&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/&gt;&nbsp;dm&sup2;<\/p>","options":["<strong>A.<\/strong> 150","<strong>B.<\/strong> 15 000","<strong>C.<\/strong> 15","<strong>D.<\/strong> 1500"],"correct":"1","level":"2","hint":"","answer":"<p>&nbsp; &nbsp;1m&sup2; 50dm&sup2;<\/p><p>=&nbsp;1m&sup2; + 50dm&sup2;<\/p><p>= 100&nbsp;dm&sup2; + 50&nbsp;dm&sup2;<\/p><p>= 150&nbsp;dm&sup2;<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;150<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-29 01:15:15","option_type":"txt","len":0},{"id":"1358","post_id":"6790","mon_id":"1159012","chapter_id":"1159021","question":"<p>3cm&sup2; 25mm&sup2; =&nbsp;&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/&gt; mm&sup2;<\/p>","options":["<strong>A.<\/strong> 300","<strong>B.<\/strong> 253","<strong>C.<\/strong> 325","<strong>D.<\/strong> 352"],"correct":"3","level":"2","hint":"","answer":"<p>3cm&sup2; 25mm&sup2;<\/p><p>=&nbsp;3cm&sup2; + 25mm&sup2;<\/p><p>= 300mm&sup2; + 25mm&sup2;<\/p><p>= 325mm&sup2;<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;325<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-29 01:17:26","option_type":"txt","len":0},{"id":"1360","post_id":"6790","mon_id":"1159012","chapter_id":"1159021","question":"<p>T&iacute;nh di\u1ec7n t&iacute;ch c\u1ee7a m\u1ed9t nh&atilde;n v\u1edf h&igrave;nh ch\u1eef nh\u1eadt c&oacute; chi\u1ec1u d&agrave;i l&agrave; 4 cm v&agrave; chi\u1ec1u r\u1ed9ng l&agrave; 3 cm.<\/p>","options":["<strong>A.<\/strong> 15 cm&sup2;","<strong>B.<\/strong> 12 cm&sup2;","<strong>C.<\/strong> 10 cm&sup2;","<strong>D.<\/strong> 14 cm&sup2;"],"correct":"2","level":"2","hint":"","answer":"<p>Di\u1ec7n t&iacute;ch c\u1ee7a nh&atilde;n v\u1edf l&agrave;:<\/p><p>4 x 3 = 12 cm&sup2;<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;12 cm&sup2;<\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"0","date":"2023-10-29 01:22:11","option_type":"txt","len":0}]}