{"common":{"save":0,"post_id":"4860","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8429","post_id":"4860","mon_id":"1158113","chapter_id":"1158117","question":"<p>Trong các s\u1ed1 t\u1ef1 nhiên sau, s\u1ed1 nào thu\u1ed9c t\u1eadp h\u1ee3p<\/p><p><strong> K = {x ∈ N | 1995 < x ≤ 2035}<\/strong><\/p>","options":["1999","2100","2035","1995"],"correct":"[\"1\",\"3\"]","level":"3","hint":"<p>T\u1eadp h\u1ee3p K g\u1ed3m các s\u1ed1 t\u1ef1 nhiên l\u1edbn h\u01a1n 1995 và không v\u01b0\u1ee3t quá 2035.<\/p>","answer":"<p>T\u1eadp h\u1ee3p K = {x ∈ N | 1995 < x ≤ 2035} g\u1ed3m các s\u1ed1 t\u1ef1 nhiên l\u1edbn h\u01a1n 1995 và không v\u01b0\u1ee3t quá 2035.<\/p><p>Do \u0111ó K = {1996; 1997; ...; 2034; 2035}.<\/p><p>Suy ra <span style=\"color:#16a085;\"><strong> 1999∈K<\/strong><\/span> ; 2100∉K ; <strong><span style=\"color:#16a085;\">2035∈K<\/span> <\/strong> ; 1995∉K<\/p><p>V\u1eady các \u0111áp án \u0111úng là <strong><span style=\"color:#16a085;\">1999<\/span> ; <span style=\"color:#16a085;\">2035<\/span><\/strong>.<\/p>","type":"checkbox","extra_type":"shape2","time":"0","user_id":"132","test":"3","date":"2021-10-05 12:50:54","option_type":"txt","len":0},{"id":"8431","post_id":"4860","mon_id":"1158113","chapter_id":"1158117","question":"<p>S\u1eafp x\u1ebfp các s\u1ed1 sau theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n.<\/p>","options":"","correct":["2397","3279","3729","3927"],"level":"3","hint":"","answer":"<p>Vì 2397 < 3279 < 3729 < 3927 nên th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n là<\/p><p><span style=\"color:#16a085;\"><strong>2397 ; 3279 ; 3729 ; 3927<\/strong><\/span><\/p>","type":"reorder","extra_type":"sentence","time":"0","user_id":"132","test":"3","date":"2021-10-05 12:54:27","word":["2397","3279","3927","3729"]},{"id":"8433","post_id":"4860","mon_id":"1158113","chapter_id":"1158117","question":"<p>T\u1eeb b\u1ed1n ch\u1eef s\u1ed1 5 ; 0 ; 1 ; 7 vi\u1ebft s\u1ed1 t\u1ef1 nhiên nh\u1ecf nh\u1ea5t có b\u1ed1n ch\u1eef s\u1ed1 khác nhau.<\/p>","options":["1075","1507","1057"],"correct":"3","level":"3","hint":"","answer":"<p>T\u1eeb b\u1ed1n ch\u1eef s\u1ed1 5 ; 0 ; 1 ; 7 vi\u1ebft s\u1ed1 t\u1ef1 nhiên nh\u1ecf nh\u1ea5t có b\u1ed1n ch\u1eef s\u1ed1 khác nhau.<\/p><p>S\u1ed1 \u0111ó là 1057.<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>1057<\/strong><\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"132","test":"1","date":"2021-10-05 12:59:20","option_type":"txt","len":0}]}
