{"common":{"save":0,"post_id":"6862","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1915","post_id":"6862","mon_id":"1159012","chapter_id":"1159015","question":"<p>Ch\u1ecdn bi\u1ec3u th\u1ee9c có k\u1ebft qu\u1ea3 b\u1eb1ng <\/p><p><strong><span style=\"color:#8e44ad;\">19 x 9 – 19 x 7<\/span><\/strong><\/p><p><img class=\"img_dd small\" src=\"\/data\/library\/rau\/f4.png\" \/><img class=\"img_dd small\" src=\"\/data\/library\/rau\/f4.png\" \/><img class=\"img_dd small\" src=\"\/data\/library\/rau\/f4.png\" \/><\/p>","options":["<strong>A.<\/strong> 19 x (9 + 7)","<strong>B.<\/strong> 19 x (9 – 6)","<strong>C.<\/strong> 19 x (9 – 7)","<strong>D.<\/strong> 20 x (9 – 7)"],"correct":"3","level":"2","hint":"<p> 19 x 9 – 19 x 7<\/p><p>= 19 x (9 – 7)<\/p>","answer":"<p> 19 x 9 – 19 x 7<\/p><p>= 19 x (9 – 7)<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 19 x (9 – 7)<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-10 05:35:28","option_type":"txt","len":2},{"id":"1917","post_id":"6862","mon_id":"1159012","chapter_id":"1159015","question":"<p>Tính h\u1ee3p lí<\/p><p><strong><span style=\"color:#2980b9;\">56 x 5 – 56 x 4<\/span><\/strong><\/p>","options":["65","56","560","54"],"correct":"2","level":"2","hint":"","answer":"<p> 56 x 5 – 56 x 4<\/p><p>= 56 x ( 5 – 4)<\/p><p>= 56 x 1<\/p><p>= 56<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"> 56<\/span><\/p>","type":"choose","extra_type":"sheep","time":"0","user_id":"131","test":"0","date":"2023-12-10 05:37:49","option_type":"txt","len":0},{"id":"1918","post_id":"6862","mon_id":"1159012","chapter_id":"1159015","question":"<p>Tính h\u1ee3p lí.<\/p><p>9 x 56 + 9 x 44<\/p>","options":["90","800","909","900"],"correct":"4","level":"2","hint":"","answer":"<p>9 x 56 + 9 x 44<\/p><p>= 9 x (56 + 44)<\/p><p>= 9 x 100<\/p><p>= 900<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 900<\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"0","date":"2023-12-10 05:40:25","option_type":"txt","len":0}]}
