{"common":{"save":0,"post_id":"4802","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8340","post_id":"4802","mon_id":"1158113","chapter_id":"1158117","question":"<p>S\u1ed1 nào là s\u1ed1 li\u1ec1n sau c\u1ee7a 12 427 ?<\/p>","options":["12 426","12 428","12 429"],"correct":"2","level":"1","hint":"<p>S\u1ed1 li\u1ec1n sau c\u1ee7a s\u1ed1 a là a + 1 (c\u1ed9ng thêm m\u1ed9t \u0111\u01a1n v\u1ecb)<\/p>","answer":"<p>S\u1ed1 li\u1ec1n sau c\u1ee7a 12 427 là:<\/p><p>12 427 + 1 = 12 428<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>12 428<\/strong><\/span>.<\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"132","test":"1","date":"2021-10-05 00:46:02","option_type":"txt","len":0},{"id":"8342","post_id":"4802","mon_id":"1158113","chapter_id":"1158117","question":"<p>S\u1ed1 nào là s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a 345 690 ?<\/p>","options":["345 691","345 692","345 689"],"correct":"3","level":"1","hint":"<p>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 a là a - 1 (tr\u1eeb \u0111i m\u1ed9t \u0111\u01a1n v\u1ecb) (v\u1edbi a l\u1edbn h\u01a1n 0)<\/p>","answer":"<p>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a 345 690 là:<\/p><p>345 690 - 1 = 345 689.<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>345 689<\/strong><\/span>.<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"132","test":"1","date":"2021-10-05 00:49:21","option_type":"txt","len":0},{"id":"8343","post_id":"4802","mon_id":"1158113","chapter_id":"1158117","question":"<p>Vi\u1ebft s\u1ed1 t\u1ef1 nhiên sau: <strong>Chín tr\u0103m hai m\u01b0\u01a1i l\u0103m<\/strong>.<\/p>","options":["952","900","925"],"correct":"3","level":"1","hint":"","answer":"<p><strong>Chín tr\u0103m hai m\u01b0\u01a1i l\u0103m<\/strong> vi\u1ebft là <strong>925<\/strong><\/p><p>V\u1eady \u0111áp án \u0111úng là<strong> <span style=\"color:#16a085;\">925<\/span><\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-10-05 00:54:34","option_type":"number","len":0}]}