{"common":{"save":0,"post_id":"4286","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1474","post_id":"4286","mon_id":"11445","chapter_id":"11570","question":"<div class=\"lt123_imgs\">S\u1ed1 l\u1ebb li\u1ec1n sau c\u1ee7a s\u1ed1 l\u1edbn nh\u1ea5t có ba ch\u1eef s\u1ed1 khác nhau có th\u1ec3 vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng t\u1ed5ng nào? <\/div>","options":["900 + 80 + 9","900 + 80 + 7","900 + 90 + 8","900 + 90 + 9"],"correct":"1","level":"3","hint":"","answer":"<p>S\u1ed1 l\u1edbn nh\u1ea5t có ba ch\u1eef s\u1ed1 khác nhau là 987<\/p><p>S\u1ed1 l\u1ebb li\u1ec1n sau c\u1ee7a 987 là 989<\/p><p>Mà <span style=\"color:#1abc9c;\">989 = 900 + 80 + 9<\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"128","test":"1","date":"2021-07-24 15:56:29","option_type":"txt","len":0},{"id":"1494","post_id":"4286","mon_id":"11445","chapter_id":"11570","question":"<p>B\u1ea1n Tâm nói:<\/p><p><span style=\"color:#1abc9c;\">"T\u1ed5ng các ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 245 c\u0169ng chính là t\u1ed5ng các tr\u0103m, ch\u1ee5c và \u0111\u01a1n v\u1ecb".<\/span><\/p><p>Em có \u0111\u1ed3ng ý v\u1edbi ý ki\u1ebfn c\u1ee7a b\u1ea1n Tâm không?<\/p>","options":["\u0110\u1ed3ng ý","Không \u0111\u1ed3ng ý"],"correct":"2","level":"3","hint":"","answer":"<p>T\u1ed5ng các ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 245 là: 2 + 4 + 5<\/p><p>T\u1ed5ng các tr\u0103m, ch\u1ee5c, \u0111\u01a1n v\u1ecb c\u1ee7a s\u1ed1 245 là: 200 + 40 + 5<\/p><p>V\u1eady b\u1ea1n Tâm nói sai<\/p><p>Ch\u1ecdn \u0111áp án: <span style=\"color:#1abc9c;\">Không \u0111\u1ed3ng ý<\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"128","test":"1","date":"2021-07-25 03:53:26","option_type":"txt","len":0},{"id":"1499","post_id":"4286","mon_id":"11445","chapter_id":"11570","question":"<p>Nam ngh\u0129 ra m\u1ed9t s\u1ed1 bi\u1ebft s\u1ed1 \u0111ó có ch\u1eef s\u1ed1 hàng tr\u0103m là s\u1ed1 l\u1edbn nh\u1ea5t có m\u1ed9t ch\u1eef s\u1ed1, ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb b\u1eb1ng ch\u1eef s\u1ed1 hàng ch\u1ee5c và t\u1ed5ng ba ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 \u0111ó b\u1eb1ng 11.<\/p><p>V\u1eady s\u1ed1 \u0111ó có th\u1ec3 vi\u1ebft thành t\u1ed5ng các tr\u0103m, ch\u1ee5c, \u0111\u01a1n v\u1ecb là:<\/p>","options":["900 + 10 + 2","900 + 1 + 1","900 + 20 + 2","900 + 10 + 1"],"correct":"4","level":"3","hint":"","answer":"<p>S\u1ed1 có ch\u1eef s\u1ed1 hàng tr\u0103m là s\u1ed1 l\u1edbn nh\u1ea5t có m\u1ed9t ch\u1eef s\u1ed1, ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb b\u1eb1ng ch\u1eef s\u1ed1 hàng ch\u1ee5c và t\u1ed5ng ba ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 \u0111ó b\u1eb1ng 11: <span style=\"color:#1abc9c;\">911<\/span><\/p><p>V\u1eady s\u1ed1 Nam ngh\u0129 là s\u1ed1 911<\/p><p>911 = <span style=\"color:#1abc9c;\">900 + 10 + 1<\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"128","test":"1","date":"2021-07-25 04:07:45","option_type":"txt","len":0}]}
