{"common":{"save":0,"post_id":"709","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"101","post_id":"709","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Cho t\u1eadp h\u1ee3p A = {1; 5; x; y; 10}. <br\/> T\u1eadp h\u1ee3p A c\u00f3 s\u1ed1 ph\u1ea7n t\u1eed l\u00e0:","select":["A. 3 ph\u1ea7n t\u1eed ","B. 5 ph\u1ea7n t\u1eed ","C. 6 ph\u1ea7n t\u1eed ","D. 10 ph\u1ea7n t\u1eed "],"hint":"\u0110\u1ebfm s\u1ed1 ph\u1ea7n t\u1eed trong t\u1eadp h\u1ee3p A","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> \u0110\u1ebfm s\u1ed1 ph\u1ea7n t\u1eed c\u00f3 trong t\u1eadp h\u1ee3p A (m\u1ed7i ph\u1ea7n t\u1eed ph\u00e2n c\u00e1ch nhau b\u1eb1ng d\u1ea5u '';'')<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> A = {1; 5; x; y; 10} <br\/> T\u1eadp h\u1ee3p A c\u00f3 5 ph\u1ea7n t\u1eed l\u00e0: 1; 5; x; y; 10<br\/><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"102","post_id":"709","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Cho t\u1eadp h\u1ee3p B = {9; 4; 5; x; a; 11; b; 2}. <br\/> T\u1eadp h\u1ee3p B c\u00f3 s\u1ed1 ph\u1ea7n t\u1eed l\u00e0:","select":["A. 5 ph\u1ea7n t\u1eed ","B. 7 ph\u1ea7n t\u1eed ","C. 8 ph\u1ea7n t\u1eed ","D. 10 ph\u1ea7n t\u1eed "],"hint":"\u0110\u1ebfm s\u1ed1 ph\u1ea7n t\u1eed trong t\u1eadp h\u1ee3p B","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> \u0110\u1ebfm s\u1ed1 ph\u1ea7n t\u1eed c\u00f3 trong t\u1eadp h\u1ee3p B (m\u1ed7i ph\u1ea7n t\u1eed ph\u00e2n c\u00e1ch nhau b\u1eb1ng d\u1ea5u '';'')<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> B = {9; 4; 5; x; a; 11; b; 2} <br\/> T\u1eadp h\u1ee3p B c\u00f3 8 ph\u1ea7n t\u1eed l\u00e0: 9; 4; 5; x; a; 11; b; 2<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"103","post_id":"709","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Cho $A \\subset B$ ta kh\u1eb3ng \u0111\u1ecbnh hai t\u1eadp h\u1ee3p b\u1eb1ng nhau l\u00e0<b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"N\u1ebfu $A \\subset B$ v\u00e0 $B \\subset A$ th\u00ec $ A = B$","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> N\u1ebfu $A \\subset B$ v\u00e0 $B \\subset A$ th\u00ec $ A = B$<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> N\u1ebfu ch\u1ec9 c\u00f3 $A \\subset B$ m\u00e0 kh\u1eb3ng \u0111\u1ecbnh $A = B$ l\u00e0 <b> SAI <\/b> <br\/> V\u00ec v\u00ed d\u1ee5: A = {1; 2; 3}; B = {1; 2; 3; 4; 5} Ta c\u0169ng c\u00f3 $A \\subset B$ nh\u01b0ng $ A \\neq B$ <br\/> \u0110\u1ec3 kh\u1eb3ng \u0111\u1ecbnh $A = B$ ta c\u1ea7n c\u00f3 $A \\subset B$ v\u00e0 $B \\subset A$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"}]}