{"common":{"save":0,"post_id":"6237","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2913","post_id":"6237","mon_id":"1158530","chapter_id":"1158618","question":"<p>\u0110i\u1ec1n s\u1ed1 th&iacute;ch h\u1ee3p v&agrave;o &ocirc; tr\u1ed1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c ph&eacute;p t&iacute;nh \u0111&uacute;ng.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/3-me-con-soc.png\" \/><\/div><div class=\"lt123_imgs\">54 + (46 + 29) = (&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;+ 46) + 29 =&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&lt;\/div>","options":"","correct":["[\"54\",\"129\"]"],"level":"2","hint":"","answer":"<p>&nbsp; &nbsp; 54 + (46 + 29)<\/p><p>= (<span style=\"color:#16a085;\"><strong>54&nbsp;<\/strong><\/span>+ 46) + 29<\/p><p>= 100 + 29<\/p><p>=&nbsp;<span style=\"color:#16a085;\"><strong>129<\/strong><\/span><\/p><p>54 + (46 + 29) = (<span style=\"color:#16a085;\"><strong>54<\/strong><\/span>&nbsp;+ 46) + 29 =&nbsp;<span style=\"color:#16a085;\"><strong>129<\/strong><\/span><\/p><p>V\u1eady c&aacute;c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l&agrave; <span style=\"color:#16a085;\"><strong>54<\/strong><\/span>&nbsp; ;&nbsp; <span style=\"color:#16a085;\"><strong>129<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2022-09-14 07:34:54"},{"id":"2916","post_id":"6237","mon_id":"1158530","chapter_id":"1158618","question":"<p>T&iacute;nh gi&aacute; tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c 70 : (11&nbsp;&ndash; 4).<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/roca.png\" \/><\/div>","options":["10","12","9","8"],"correct":"1","level":"2","hint":"","answer":"<p>70 : (11&nbsp;&ndash; 4)<\/p><p>= 70 : 7<\/p><p>= 10<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<strong><span style=\"color:#16a085;\">10<\/span>.<\/strong><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"1","date":"2022-09-14 07:40:30","option_type":"txt","len":0},{"id":"2936","post_id":"6237","mon_id":"1158530","chapter_id":"1158618","question":"<p>T&iacute;nh gi&aacute; tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c 90&nbsp;&ndash; 25 + 75.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/con-ong.png\" \/><\/div>","options":["104","100","140","10"],"correct":"3","level":"2","hint":"","answer":"<p>90&nbsp;&ndash; 25 + 75<\/p><p>= 65 + 75<\/p><p>= 140<\/p><p>\u0110&aacute;p &aacute;n l&agrave;&nbsp;<strong><span style=\"color:#16a085;\">140<\/span><\/strong><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"131","test":"1","date":"2022-09-14 08:45:23","option_type":"txt","len":0}]}