{"common":{"save":0,"post_id":"6746","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"800","post_id":"6746","mon_id":"1159012","chapter_id":"1159016","question":"<p>S\u1ed1 ch\u1eb5n nh\u1ecf nh\u1ea5t có hai ch\u1eef s\u1ed1 là s\u1ed1 <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> .<\/p>","options":"","correct":["[\"10\"]"],"level":"3","hint":"","answer":"<p>S\u1ed1 ch\u1eb5n nh\u1ecf nh\u1ea5t có hai ch\u1eef s\u1ed1 là s\u1ed1 <span style=\"color:#16a085;\"><strong>10<\/strong><\/span> .<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>10.<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2023-10-08 04:47:49"},{"id":"802","post_id":"6746","mon_id":"1159012","chapter_id":"1159016","question":"<p>S\u1ed1 l\u1ebb l\u1edbn nh\u1ea5t có 4 ch\u1eef s\u1ed1 là <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> .<\/p>","options":"","correct":["[\"9999\"]"],"level":"3","hint":"","answer":"<p>S\u1ed1 l\u1ebb l\u1edbn nh\u1ea5t có 4 ch\u1eef s\u1ed1 là <strong><span style=\"color:#16a085;\">9999<\/span><\/strong>.<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>9999<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2023-10-08 04:49:17"},{"id":"804","post_id":"6746","mon_id":"1159012","chapter_id":"1159016","question":"<p>T\u1eeb các ch\u1eef s\u1ed1 2; 4; 5 ghép \u0111\u01b0\u1ee3c bao nhiêu s\u1ed1 ch\u1eb5n có 3 ch\u1eef s\u1ed1 khác nhau?<\/p>","options":["<strong>A.<\/strong> 1","<strong>B.<\/strong> 2","<strong>C.<\/strong> 3","<strong>D.<\/strong> 4"],"correct":"4","level":"3","hint":"","answer":"<p>Các s\u1ed1 có 3 ch\u1eef s\u1ed1 khác nhau có th\u1ec3 ghép \u0111\u01b0\u1ee3c là 245 ; 254 ; 425 ; 452 ; 524 ; 542.<\/p><p>Trong \u0111ó có 4 s\u1ed1 ch\u1eb5n là 254 ; 452 ; 524 ; 542.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 4.<\/span><\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"131","test":"0","date":"2023-10-08 04:52:01","option_type":"txt","len":0}]}