{"common":{"save":0,"post_id":"6063","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2271","post_id":"6063","mon_id":"1158530","chapter_id":"1158579","question":"<p>N\u1ed1i k\u1ebft qu\u1ea3 \u0111&uacute;ng cho c&aacute;c&nbsp;ph&eacute;p t&iacute;nh<\/p>","options":[["8 x 9 + 12","6 x 7 + 34"],["76","84"],["84","76"]],"correct":[1,0],"level":"2","hint":"","answer":"<p>Th\u1ef1c hi\u1ec7n c&aacute;c ph&eacute;p t&iacute;nh, ta c&oacute;:<\/p><p><strong>8 x 9 + 12 <\/strong>= 72 + 12 = <span style=\"color:#16a085;\"><strong>84<\/strong><\/span><\/p><p><strong>6 x 7 + 34<\/strong> = 42 + 34 = <span style=\"color:#16a085;\"><strong>76<\/strong><\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"129","test":"1","date":"2022-08-09 13:31:51"},{"id":"2272","post_id":"6063","mon_id":"1158530","chapter_id":"1158579","question":"<p>\u0110i\u1ec1n s\u1ed1 th&iacute;ch h\u1ee3p v&agrave;o &ocirc; tr\u1ed1ng<\/p><p><span style=\"color:#2980b9;\"><strong>&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;x 9 - 25 =&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;- 25 = 2<\/strong><\/span><\/p>","options":"","correct":["[\"3\",\"27\"]"],"level":"2","hint":"","answer":"<p>Th\u1ef1c hi\u1ec7n ph&eacute;p t&iacute;nh l\u1ea7n l\u01b0\u1ee3t t\u1eeb tr&aacute;i sang ph\u1ea3i:<\/p><p><span style=\"color:#16a085;\"><strong>&nbsp;<\/strong><\/span><strong> &nbsp; 3<\/strong>&nbsp;x 9 - 25&nbsp; =&nbsp; <strong>27<\/strong> - 25 = 2<\/p><p>(v&igrave;<span style=\"color:#16a085;\"><strong>&nbsp; <\/strong><\/span>27&nbsp; &nbsp;- 25&nbsp; =&nbsp; &nbsp; &nbsp;2&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;)<\/p><p>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l&agrave; <span style=\"color:#16a085;\"><strong>3<\/strong><\/span> v&agrave; <span style=\"color:#16a085;\"><strong>27<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"3","date":"2022-08-09 13:33:39"},{"id":"2273","post_id":"6063","mon_id":"1158530","chapter_id":"1158579","question":"<p>N\u1ed1i c&aacute;c ph&eacute;p t&iacute;nh c&oacute;&nbsp;k\u1ebft qu\u1ea3 b\u1eb1ng nhau.<\/p>","options":[["8 x 9 - 23","6 x 8 - 9 x 3"],["7 x 3","7 x 7"],["7 x 7","7 x 3"]],"correct":[1,0],"level":"2","hint":"","answer":"<p>Th\u1ef1c hi\u1ec7n l\u1ea7n l\u01b0\u1ee3t c&aacute;c ph&eacute;p \u0111\u1ec3 t&igrave;m c&aacute;c ph&eacute;p t&iacute;nh c&oacute; k\u1ebft qu\u1ea3 b\u1eb1ng nhau:<\/p><p>8 x 9 - 23 = 72 - 23 =<strong> 49<\/strong><\/p><p>7 x 7 = <strong>49<\/strong><\/p><p><strong><span style=\"color:#8e44ad;\">V\u1eady 8 x 9 - 23 = 7 x 7<\/span><\/strong><\/p><p>6 x 8 - 9 x 3 = 48 - 27 = <strong>21<\/strong><\/p><p>7 x 3 =<strong> 21<\/strong><\/p><p><strong><span style=\"color:#2980b9;\">V\u1eady&nbsp;6 x 8 - 9 x 3 =&nbsp;7 x 3<\/span><\/strong><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"129","test":"1","date":"2022-08-09 13:37:07"}]}