{"common":{"save":0,"post_id":"6220","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"3013","post_id":"6220","mon_id":"1158530","chapter_id":"1158618","question":"<p>Tính b\u1eb1ng cách thu\u1eadn ti\u1ec7n nh\u1ea5t bi\u1ec3u th\u1ee9c sau:<\/p><p>50 x 4 x 3 - 100<\/p>","options":["550","500","650","600"],"correct":"2","level":"3","hint":"","answer":"<p>50 x 4 x 3 - 100<\/p><p>= 50 x 2 x 2 x3 - 100<\/p><p>= 100 x 6 - 100<\/p><p>= 600 -100<\/p><p>= 500<\/p><p>\u0110áp s\u1ed1:<span style=\"color:#1abc9c;\"> 500<\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"129","test":"1","date":"2022-09-17 07:31:08","option_type":"txt","len":0},{"id":"3014","post_id":"6220","mon_id":"1158530","chapter_id":"1158618","question":"<p>M\u1ed9t trang tr\u1ea1i ch\u0103n nuôi có 84 con trâu và 65 con bò. \u0110em s\u1ed1 trâu và bò trên chia vào các chu\u1ed3ng, m\u1ed7i chu\u1ed3ng trâu có 3 con và m\u1ed7i chu\u1ed3ng bò có 5 con. H\u1ecfi s\u1ed1 chu\u1ed3ng trâu h\u01a1n s\u1ed1 chu\u1ed3ng bò là bao nhiêu?<\/p>","options":["15 chu\u1ed3ng","21 chu\u1ed3ng","18 chu\u1ed3ng","22 chu\u1ed3ng"],"correct":"1","level":"3","hint":"","answer":"<p>Có s\u1ed1 chu\u1ed3ng trâu là:<\/p><p>84 : 3 = 28 (chu\u1ed3ng)<\/p><p>Có s\u1ed1 chu\u1ed3ng bò là:<\/p><p>65 : 5 = 13 (chu\u1ed3ng)<\/p><p>Chu\u1ed3ng trâu h\u01a1n chu\u1ed3ng bò là:<\/p><p>28 - 13 = 15 (chu\u1ed3ng)<\/p><p>\u0110áp s\u1ed1: <span style=\"color:#1abc9c;\">15 chu\u1ed3ng<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-09-17 07:36:05","option_type":"txt","len":0},{"id":"3015","post_id":"6220","mon_id":"1158530","chapter_id":"1158618","question":"<p>M\u1ed9t \u0111àn gà có 48 con, trong \u0111ó có 40 con gà mái. H\u1ecfi s\u1ed1 gà tr\u1ed1ng b\u1eb1ng m\u1ed9t ph\u1ea7n m\u1ea5y s\u1ed1 gà mái?<\/p>","options":["<span class=\"frac123\"><span class=\"ts\">1<\/span><span class=\"ms\">5<\/span><\/span><br \/>\n<span class=\"frac123\"><span class=\"ms\"><\/span><\/span>","<span class=\"frac123\"><span class=\"ts\">1<\/span><span class=\"ms\">4<\/span><\/span><br \/>\n ","<span class=\"frac123\"><span class=\"ts\">1<\/span><span class=\"ms\">6<\/span><\/span>","<span class=\"frac123\"><span class=\"ts\">1<\/span><span class=\"ms\">7<\/span><\/span>"],"correct":"1","level":"3","hint":"","answer":"<p>S\u1ed1 gà tr\u1ed1ng là:<\/p><p>48 - 40 = 8 (con)<\/p><p>S\u1ed1 gà mái g\u1ea5p s\u1ed1 gà tr\u1ed1ng s\u1ed1 l\u1ea7n là:<\/p><p>40 : 8 = 5 (l\u1ea7n)<\/p><p>V\u1eady s\u1ed1 gà tr\u1ed1ng b\u1eb1ng <span class=\"frac123\"><span class=\"ts\">1<\/span><span class=\"ms\">5<\/span><\/span> s\u1ed1 gà mái<\/p><p>\u0110áp s\u1ed1: <span class=\"frac123\"><span class=\"ts\"><span style=\"color:#1abc9c;\">1<\/span><\/span><span style=\"color:#1abc9c;\"><span class=\"ms\">5<\/span><\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-09-17 07:40:11","option_type":"math","len":0}]}
