{"common":{"save":0,"post_id":"6064","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2281","post_id":"6064","mon_id":"1158530","chapter_id":"1158579","question":"<p>T&igrave;m a<\/p><p>&nbsp;a x 8 = 6 x 4<\/p>","options":["a = 2","a = 3","a = 4","a = 5"],"correct":"2","level":"3","hint":"","answer":"<p>&nbsp;a x 8 = 6 x 4<\/p><p>&nbsp;a x 8 = 24<\/p><p>&nbsp;a&nbsp; &nbsp; &nbsp; &nbsp;= 24 : 8<\/p><p>&nbsp;a&nbsp; &nbsp; &nbsp; &nbsp;= 3<\/p><p>V\u1eady a = 3<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"129","test":"1","date":"2022-08-09 14:14:32","option_type":"txt","len":0},{"id":"2282","post_id":"6064","mon_id":"1158530","chapter_id":"1158579","question":"<p>T&igrave;m b<\/p><p>6 x b = 7 x 8 - 8<\/p>","options":["6","7","8","9"],"correct":"3","level":"3","hint":"","answer":"<p>6 x b = 7 x 8 - 8<\/p><p>6 x b = 56 - 8<\/p><p>6 x b = 48<\/p><p>&nbsp; &nbsp; &nbsp; b = 48 : 6<\/p><p>&nbsp; &nbsp; &nbsp; b = 8<\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"129","test":"1","date":"2022-08-09 14:18:47","option_type":"txt","len":0},{"id":"2283","post_id":"6064","mon_id":"1158530","chapter_id":"1158579","question":"<p>Trong 6 h\u1ed9p k\u1eb9o c&oacute; t\u1ea5t c\u1ea3 72 chi\u1ebfc k\u1eb9o. H\u1ecfi m\u1ed7i h\u1ed9p c&oacute; bao nhi&ecirc;u chi\u1ebfc k\u1eb9o?<\/p>","options":["10 chi\u1ebfc k\u1eb9o","12 chi\u1ebfc k\u1eb9o","66 chi\u1ebfc k\u1eb9o","78 chi\u1ebfc k\u1eb9o"],"correct":"2","level":"3","hint":"","answer":"<p>M\u1ed7i h\u1ed9p c&oacute; s\u1ed1 chi\u1ebfc k\u1eb9o l&agrave;:<\/p><p>&nbsp; 72 : 6 = 12 ( chi\u1ebfc k\u1eb9o)<\/p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u0110&aacute;p s\u1ed1: 12 chi\u1ebfc k\u1eb9o<\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"129","test":"1","date":"2022-08-09 14:22:18","option_type":"txt","len":0}]}