{"common":{"save":0,"post_id":"6850","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1823","post_id":"6850","mon_id":"1159012","chapter_id":"1159015","question":"<p>T&iacute;nh gi&aacute; tr\u1ecb bi\u1ec3u th\u1ee9c 15 297 + 20 645 x 2<\/p>","options":["<strong>A.<\/strong> 71 884","<strong>B.<\/strong> 57 587","<strong>C.<\/strong> 56 587","<strong>D.<\/strong> 72 884"],"correct":"3","level":"2","hint":"<p>Th\u1ef1c hi\u1ec7n ph&eacute;p nh&acirc;n v\u1edbi 2 tr\u01b0\u1edbc, th\u1ef1c hi\u1ec7n ph&eacute;p c\u1ed9ng sau.<\/p>","answer":"<p>15 297 + 20 645 x 2<\/p><p>= 15 297 + 41 290<\/p><p>= 56 587<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;56 587<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-10 02:12:39","option_type":"txt","len":0},{"id":"1825","post_id":"6850","mon_id":"1159012","chapter_id":"1159015","question":"<p>C&acirc;u n&agrave;o \u0111&uacute;ng?<\/p>","options":["<strong>A.<\/strong> 15 639 x 4 = 61 556","<strong>B.<\/strong> 54 230 x 2 = 108 460","<strong>C.<\/strong> 15 639 x 4 = 62 566","<strong>D.<\/strong> 54 230 x 2 = 107 460"],"correct":"2","level":"2","hint":"","answer":"<p><strong>A.<\/strong>&nbsp;15 639 x 4 = 61 556 <span style=\"color:#e74c3c;\">sai <\/span>v&igrave;&nbsp;15 639 x 4 = <span style=\"color:#16a085;\">62 556<\/span><\/p><p><strong>B.<\/strong>&nbsp;54 230 x 2 = 108 460 <span style=\"color:#16a085;\">\u0111&uacute;ng<\/span><\/p><p><strong>C.<\/strong>&nbsp;15 639 x 4 = 62 566 <span style=\"color:#e74c3c;\">sai <\/span>v&igrave;&nbsp;15 639 x 4 = <span style=\"color:#16a085;\">62 556<\/span><\/p><p><strong>D.<\/strong>&nbsp;54 230 x 2 = 107 460 <span style=\"color:#e74c3c;\">sai <\/span>v&igrave;&nbsp;54 230 x 2 = 108 460<\/p><p>V\u1eady \u0111&aacute;p &aacute;n \u0111&uacute;ng l&agrave; <span style=\"color:#16a085;\"><strong>B<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-10 02:17:33","option_type":"txt","len":2},{"id":"1827","post_id":"6850","mon_id":"1159012","chapter_id":"1159015","question":"<p>N\u1ed1i ph&eacute;p t&iacute;nh v\u1edbi k\u1ebft qu\u1ea3 c\u1ee7a n&oacute;.<\/p>","options":[["101 202 x 3 = ","110 220 x 3 = ","101 303 x 2 = "],["330 660","303 606","202 606"],["303 606","330 660","202 606"]],"correct":[1,0,2],"level":"2","hint":"","answer":"<p><span style=\"color:#16a085;\">101 202 x 3 = 303 606<\/span><\/p><p><span style=\"color:#16a085;\">110 220 x 3 = 330 660<\/span><\/p><p><span style=\"color:#16a085;\">101 303 x 2 = 202 606<\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"131","test":"0","date":"2023-12-10 02:19:37"}]}