{"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>1m² 50dm² = <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> dm²<\/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> 1m² 50dm²<\/p><p>= 1m² + 50dm²<\/p><p>= 100 dm² + 50 dm²<\/p><p>= 150 dm²<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 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>3cm² 25mm² = <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> mm²<\/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>3cm² 25mm²<\/p><p>= 3cm² + 25mm²<\/p><p>= 300mm² + 25mm²<\/p><p>= 325mm²<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 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>Tính di\u1ec7n tích c\u1ee7a m\u1ed9t nhãn v\u1edf hình ch\u1eef nh\u1eadt có chi\u1ec1u dài là 4 cm và chi\u1ec1u r\u1ed9ng là 3 cm.<\/p>","options":["<strong>A.<\/strong> 15 cm²","<strong>B.<\/strong> 12 cm²","<strong>C.<\/strong> 10 cm²","<strong>D.<\/strong> 14 cm²"],"correct":"2","level":"2","hint":"","answer":"<p>Di\u1ec7n tích c\u1ee7a nhãn v\u1edf là:<\/p><p>4 x 3 = 12 cm²<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 12 cm²<\/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}]}
