{"common":{"save":0,"post_id":"6845","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1752","post_id":"6845","mon_id":"1159012","chapter_id":"1159026","question":"<p>N\u1ed1i các phép tính \u0111úng.<\/p>","options":[["80 t\u1ea1 + 93 t\u1ea1 + 107 t\u1ea1 =","200 t\u1ea1 – 93 t\u1ea1 + 13 t\u1ea1 = ","(520 t\u1ea1 + 180 t\u1ea1) : 7 = "],["100 t\u1ea1 ","280 t\u1ea1","120 t\u1ea1 "],["280 t\u1ea1","120 t\u1ea1 ","100 t\u1ea1 "]],"correct":[2,0,1],"level":"3","hint":"","answer":"<p><span style=\"color:#16a085;\"><strong>80 t\u1ea1 + 93 t\u1ea1 + 107 t\u1ea1 = 280 t\u1ea1 <\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>200 t\u1ea1 – 93 t\u1ea1 + 13 t\u1ea1 = 120 t\u1ea1<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>(520 t\u1ea1 + 180 t\u1ea1) : 7 = 100 t\u1ea1<\/strong><\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"131","test":"0","date":"2023-11-30 01:32:53"},{"id":"1767","post_id":"6845","mon_id":"1159012","chapter_id":"1159026","question":"<p>M\u1ed9t m\u1ea3nh \u0111\u1ea5t tr\u1ed3ng rau có chi\u1ec1u dài là 9 m, chi\u1ec1u r\u1ed9ng ng\u1eafn h\u01a1n chi\u1ec1u dài là<br \/>3 m. Tính di\u1ec7n tích c\u1ee7a m\u1ea3nh \u0111\u1ea5t.<\/p>","options":["<strong>A.<\/strong> 63 m²","<strong>B.<\/strong> 52 m²","<strong>C.<\/strong> 54 dm²","<strong>D.<\/strong> 54 m²"],"correct":"4","level":"3","hint":"","answer":"<p>Chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1ea3nh \u0111\u1ea5t là:<\/p><p>9 – 3 = 6 (m)<\/p><p>Di\u1ec7n tích c\u1ee7a m\u1ea3nh \u0111\u1ea5t là:<\/p><p>9 x 6 = 54 (m²)<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 54 m²<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-30 02:01:28","option_type":"txt","len":1},{"id":"1770","post_id":"6845","mon_id":"1159012","chapter_id":"1159026","question":"<p>Con bê n\u1eb7ng 1 t\u1ea1 32 kg. Con bò n\u1eb7ng h\u01a1n con bê là 250 kg. H\u1ecfi con bò n\u1eb7ng bao nhiêu ki-lô-gam?<\/p>","options":["<strong>A.<\/strong> 328 kg","<strong>B.<\/strong> 382 kg","<strong>C.<\/strong> 382 t\u1ea1","<strong>D.<\/strong> 380 kg"],"correct":"2","level":"3","hint":"","answer":"<p>\u0110\u1ed5i: 1 t\u1ea1 32 kg = 132 kg<\/p><p>Con bò n\u1eb7ng s\u1ed1 ki-lô-gam là: <\/p><p>132 + 250 = 382 (kg)<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 382 kg<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-30 02:05:25","option_type":"txt","len":0}]}