{"common":{"save":0,"post_id":"6109","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2421","post_id":"6109","mon_id":"1158530","chapter_id":"1158602","question":"<p>N\u1ed1i các phép tính sau v\u1edbi k\u1ebft qu\u1ea3 t\u01b0\u01a1ng \u1ee9ng.<\/p>","options":[["53 x 6 + 25","45 x 8 - 21"],["339","343"],["343","339"]],"correct":[1,0],"level":"2","hint":"","answer":"<p>N\u1ed1i phép tính v\u1edbi k\u1ebft qu\u1ea3 \u0111úng là:<\/p><p><strong>53 x 6 + 25 = <span style=\"color:#16a085;\">343<\/span><\/strong><\/p><p><strong>45 x 8 - 21 =<span style=\"color:#16a085;\"> 339<\/span><\/strong><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"129","test":"3","date":"2022-08-15 15:43:29"},{"id":"2422","post_id":"6109","mon_id":"1158530","chapter_id":"1158602","question":"<p>N\u1ed1i phép tính có k\u1ebft qu\u1ea3 b\u1eb1ng nhau v\u1edbi nhau. <\/p>","options":[["23 x 8","26 x 3 - 21"],["18 x 8 - 87","90 x 2 + 4"],["90 x 2 + 4","18 x 8 - 87"]],"correct":[1,0],"level":"2","hint":"","answer":"<p>Th\u1ef1c hi\u1ec7n l\u1ea7n l\u01b0\u1ee3t t\u1eebng phép tính<\/p><p><span style=\"color:#8e44ad;\">23 x 8 = 184<\/span><\/p><p><span style=\"color:#8e44ad;\">90 x 2 + 4 = 184<\/span><\/p><p>V\u1eady n\u1ed1i <strong>23 x 8<span style=\"color:#16a085;\"> <\/span><\/strong>v\u1edbi<strong><span style=\"color:#16a085;\"> 90 x 2 + 4<\/span><\/strong><\/p><p><span style=\"color:#e67e22;\">26 x 3 - 21 = 57<\/span><\/p><p><span style=\"color:#e67e22;\">18 x 8 - 87 = 57<\/span><\/p><p>Và n\u1ed1i <strong>26 x 3 - 21<span style=\"color:#16a085;\"> <\/span><\/strong>v\u1edbi<strong><span style=\"color:#16a085;\"> 18 x 8 - 87<\/span><\/strong><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"129","test":"1","date":"2022-08-15 16:12:48"},{"id":"2423","post_id":"6109","mon_id":"1158530","chapter_id":"1158602","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ô tr\u1ed1ng:<\/p><p><span style=\"color:#2980b9;\"><input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><strong> : 8 = 72 - 48<\/strong><\/span><\/p>","options":"","correct":["[\"192\"]"],"level":"2","hint":"","answer":"<p>V\u1ebf trái có 72 - 48 = 24<\/p><p> suy ra <strong>192 <\/strong> : 8 = 24 (vì 24 x 8 = 192)<\/p><p>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n vào ô tr\u1ed1ng là <span style=\"color:#16a085;\"><strong>192<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"1","date":"2022-08-15 16:21:34"}]}
