{"common":{"save":0,"post_id":"6747","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"781","post_id":"6747","mon_id":"1159012","chapter_id":"1159016","question":"<p>Chu vi c\u1ee7a hình vuông \u0111\u01b0\u1ee3c tính theo công th\u1ee9c P = 4 x a (P là chu vi).<\/p><p>Tính chu vi c\u1ee7a hình vuông có c\u1ea1nh a = 35 cm.<\/p>","options":["<strong>A.<\/strong> P = 150 cm","<strong>B.<\/strong> P = 120 cm","<strong>C.<\/strong> P = 130 cm","<strong>D.<\/strong> P = 140 cm"],"correct":"4","level":"1","hint":"","answer":"<p>V\u1edbi a = 35 cm thì chu vi c\u1ee7a hình vuông là:<\/p><p>P = 4 x 35 = 140 cm<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> P = 140 cm<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-08 04:27:30","option_type":"txt","len":1},{"id":"783","post_id":"6747","mon_id":"1159012","chapter_id":"1159016","question":"<p>Tính giá tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c M = (54 + a) x 3 v\u1edbi a = 46.<\/p>","options":["<strong>A.<\/strong> M = 300","<strong>B.<\/strong> M = 30","<strong>C.<\/strong> M = 400","<strong>D.<\/strong> M = 40"],"correct":"1","level":"1","hint":"","answer":"<p>V\u1edbi a = 46 thì <\/p><p>M = (54 + a) x 3<\/p><p> = (54 + 36) x 3<\/p><p> = 100 x 3<\/p><p> = 300<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> M = 300<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-08 04:29:40","option_type":"txt","len":0},{"id":"785","post_id":"6747","mon_id":"1159012","chapter_id":"1159016","question":"<p>Tính giá tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c N = a : 7 + 394 v\u1edbi a = 98.<\/p>","options":["<strong>A.<\/strong> N = 308","<strong>B.<\/strong> N = 408","<strong>C.<\/strong> N = 208","<strong>D.<\/strong> N = 108"],"correct":"2","level":"1","hint":"","answer":"<p>V\u1edbi a = 98 thì <\/p><p>N = a : 7 + 394<\/p><p> = 98 : 7 + 394<\/p><p> = 14 + 394<\/p><p> = 408<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> N = 408<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-08 04:32:02","option_type":"txt","len":0}]}
