{"common":{"save":0,"post_id":"4764","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7868","post_id":"4764","mon_id":"1158113","chapter_id":"1158128","question":"<p>Li\u1ec7t kê các ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p M g\u1ed3m các s\u1ed1 nguyên âm l\u1edbn h\u01a1n -4 và nh\u1ecf h\u01a1n 10.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/bird1.png\" \/><\/div>","options":["M = { -3 ; -2 ; -1; 0; 1; 2; 3; 4; 5; 6; 7; 8; 9 }","M = { -3 ; -2 ; -1; 0 }","M = { -3 ; -2 ; -1 }"],"correct":"3","level":"3","hint":"","answer":"<p>T\u1eadp h\u1ee3p M g\u1ed3m các <strong>s\u1ed1 nguyên âm<\/strong> l\u1edbn h\u01a1n -4 và nh\u1ecf h\u01a1n 10.<\/p><p>Do \u0111ó M = { -3 ; -2 ; -1 }<\/p><p>V\u1eady \u0111áp án \u0111úng là<span style=\"color:#16a085;\"> <strong>M = { -3 ; -2 ; -1 }<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"1","date":"2021-09-30 12:40:02","option_type":"txt","len":2},{"id":"7869","post_id":"4764","mon_id":"1158113","chapter_id":"1158128","question":"<p>T\u1eadp h\u1ee3p M g\u1ed3m các s\u1ed1 <strong>nguyên d\u01b0\u01a1ng<\/strong> l\u1edbn h\u01a1n -19 và <strong>không v\u01b0\u1ee3t quá 19<\/strong> có bao nhiêu ph\u1ea7n t\u1eed?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/3-me-con-soc.png\" \/><\/div>","options":["18","19","39"],"correct":"2","level":"3","hint":"","answer":"<p>T\u1eadp h\u1ee3p M g\u1ed3m các <strong>s\u1ed1 nguyên d\u01b0\u01a1ng<\/strong> l\u1edbn h\u01a1n -19 và không v\u01b0\u1ee3t quá 19.<\/p><p>Do \u0111ó M = {1 ; 2 ; ... ; 19 }, suy ra <strong>M có 19 ph\u1ea7n t\u1eed<\/strong>.<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>19<\/strong><\/span>.<\/p>","type":"choose","extra_type":"star","time":"0","user_id":"132","test":"3","date":"2021-09-30 12:45:21","option_type":"txt","len":0},{"id":"7871","post_id":"4764","mon_id":"1158113","chapter_id":"1158128","question":"<p>T\u1eadp h\u1ee3p nào d\u01b0\u1edbi \u0111ây ch\u1ee9a s\u1ed1 nguyên -109?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/con-vat\/bo2.png\" \/><\/div>","options":["<strong>A. <\/strong>M = { x∈Z | -2000 < x < -108 }","<strong>B.<\/strong> M = { x∈Z | -2000 < x < -109 }","<strong>C. <\/strong>M = { x∈Z | -109 < x < 109 }"],"correct":"1","level":"3","hint":"","answer":"<p><strong>A.<\/strong> M = { x∈Z | -2000 < x < -108 }, suy ra M = { -1999 ; -1998 ; ... ; -109 } <strong>ch\u1ee9a s\u1ed1 -109<\/strong><\/p><p><strong>B.<\/strong> M = { x∈Z | -2000 < x < -109 }, suy ra M = { -1999 ; -1998 ; ... ; -110 } <strong>không ch\u1ee9a s\u1ed1 -109<\/strong><\/p><p><strong>C.<\/strong> M = { x∈Z | -109 < x < 109 }, suy ra M = { -108 ; -107 ; ... ; 108 } <strong>không ch\u1ee9a s\u1ed1 -109<\/strong><\/p><p>V\u1eady \u0111áp án \u0111úng là <strong><span style=\"color:#16a085;\">A. <\/span><span style=\"color:#16a085;\">M = { x∈Z | -2000 < x < -108 }<\/span><\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"3","date":"2021-09-30 12:52:10","option_type":"txt","len":2}]}
