{"common":{"save":0,"post_id":"703","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1","post_id":"703","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":"T\u1eadp h\u1ee3p K g\u1ed3m t\u1ea5t c\u1ea3 ch\u1eef c\u00e1i trong t\u1eeb \u201cch\u0103m h\u1ecdc\u201d \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0:","select":["A. K = {c; h; \u0103; m}","B. K = {m; h; o; \u0103}","C. K = {c; o; h; \u0103; m}"],"hint":"<span class='basic_left'>Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c ch\u1eef c\u00e1i c\u00f3 trong t\u1eeb \u201cch\u0103m h\u1ecdc\u201d ch\u1eef c\u00e1i n\u00e0o gi\u1ed1ng nhau ch\u1ec9 vi\u1ebft 1 l\u1ea7n <\/span>","explain":"<span class='basic_left'>T\u1eadp h\u1ee3p c\u00e1c ch\u1eef c\u00e1i trong t\u1eeb ch\u0103m h\u1ecdc l\u00e0: {c; h; \u0103; m; o}<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. K = {c; o; h; \u0103; m}<\/span>","column":3}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"2","post_id":"703","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":[[1]],"list":[{"point":5,"ques":"T\u1eadp h\u1ee3p A g\u1ed3m c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean nh\u1ecf h\u01a1n 10 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0:","select":["A. A = {0; 1; 2; 3; 4; 5; 6; 7; 8; 9}","B. $A=\\text{ } \\! \\! \\{ \\! \\! \\text{ }x \\in \\mathbb{N}|x<4\\}$","C. C\u1ea3 hai \u0111\u00e1p \u00e1n tr\u00ean"],"hint":"<span class='basic_left'>Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean nh\u1ecf h\u01a1n 10<\/span>","explain":"<span class='basic_left'>T\u1eadp h\u1ee3p A g\u1ed3m s\u1ed1 t\u1ef1 nhi\u00ean nh\u1ecf h\u01a1n 10 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0: A = {0; 1; 2; 3; 4; 5; 6; 7; 8; 9}<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. A = {0; 1; 2; 3; 4; 5; 6; 7; 8; 9}<\/span> ","column":1}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"3","post_id":"703","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 h\u00ecnh v\u1ebd: <center><img src='img\/D611_D201.png'><\/center> T\u1eadp h\u1ee3p L \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0:","select":["A. L = {3; 9; k}","B. L = {T; k; 3}","C. L = {T; k; 3; 9}"],"hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed c\u00f3 trong t\u1eadp h\u1ee3p tr\u00ean h\u00ecnh v\u1ebd","explain":"<span class='basic_left'>T\u1eadp h\u1ee3p L g\u1ed3m c\u00e1c Ph\u1ea7n t\u1eed T; k; 3 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0: L = {T; k; 3} <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. A = {T; k; 3} ","column":3}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"4","post_id":"703","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 h\u00ecnh v\u1ebd: <center><img src='img\/D611_D202.png'><\/center> T\u1eadp h\u1ee3p H \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0:","select":["A. H = {x; y; b}","B. H = {x; y; a; b}","C. H = {x; a; y} "],"hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed c\u00f3 trong t\u1eadp h\u1ee3p tr\u00ean h\u00ecnh v\u1ebd","explain":"<span class='basic_left'>T\u1eadp h\u1ee3p H g\u1ed3m c\u00e1c ph\u1ea7n t\u1eed x; a; y \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0: H = {x a; y} <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. H = {x; a; y} <\/span> ","column":3}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"5","post_id":"703","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":[[1]],"list":[{"point":5,"ques":"$M=\\text{ } \\! \\! \\{ \\! \\! \\text{ x} \\in \\mathbb{N} \\text{ } \\! \\!|\\! \\! \\text{ 15 < x < 40 }\\!\\!\\}\\!\\!\\text{ }$. Kh\u1eb3ng \u0111\u1ecbnh $16\\in M$ <b> \u0111\u00fang <\/b> hay <b> sai <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"<span class='basic_left'>X\u00e9t xem 16 c\u00f3 th\u1ecfa m\u00e3n \u0111i\u1ec1u ki\u1ec7n c\u1ee7a b\u00e0i l\u00e0 l\u1edbn h\u01a1n 15 v\u00e0 nh\u1ecf h\u01a1n 40 kh\u00f4ng?<br\/>N\u1ebfu th\u1ecfa m\u00e3n th\u00ec kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 \u0111\u00fang.<\/span>","explain":"<span class='basic_left'>V\u00ec 16 > 15 v\u00e0 16 < 40 <br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh $16\\in M$ l\u00e0 \u0111\u00fang<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0: \u0110\u00daNG <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"6","post_id":"703","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":"$M=\\text{ } \\! \\! \\{ \\! \\! \\text{ x} \\in \\mathbb{N} \\text{ } \\! \\!|\\! \\! \\text{ 15 < x < 40 }\\!\\!\\}\\!\\!\\text{ }$. Kh\u1eb3ng \u0111\u1ecbnh $27\\notin M$ <b> \u0111\u00fang <\/b> hay <b> sai <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"<span class='basic_left'>X\u00e9t xem 27 c\u00f3 th\u1ecfa m\u00e3n \u0111i\u1ec1u ki\u1ec7n c\u1ee7a b\u00e0i l\u00e0 l\u1edbn h\u01a1n 15 v\u00e0 nh\u1ecf h\u01a1n 40 kh\u00f4ng?<br\/>N\u1ebfu th\u1ecfa m\u00e3n th\u00ec kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 sai.<\/span>","explain":"<span class='basic_left'>V\u00ec 27 > 15 v\u00e0 27 < 40 <br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh $27\\notin M$ l\u00e0 sai<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0: SAI <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"7","post_id":"703","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 h\u00ecnh v\u1ebd: <center><img src='img\/D611_D203.png'><\/center> Kh\u1eb3ng \u0111\u1ecbnh $38\\notin K$ l\u00e0 <b>\u0111\u00fang<\/b> hay <b>sai<\/b>? ","select":["A. \u0110\u00daNG","B. SAI"],"hint":"Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd","explain":"<span class='basic_left'>V\u00ec trong t\u1eadp h\u1ee3p K c\u00f3 ph\u1ea7n t\u1eed 38 <br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh $38\\notin K$ l\u00e0 sai<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0: SAI <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"8","post_id":"703","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":[[1]],"list":[{"point":5,"ques":"Cho h\u00ecnh v\u1ebd: <center><img src='img\/D611_D204.png'><\/center> Kh\u1eb3ng \u0111\u1ecbnh $25\\notin H$ l\u00e0 <b>\u0111\u00fang<\/b> hay <b>sai<\/b>? ","select":["A. \u0110\u00daNG","B. SAI"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":"<span class='basic_left'>V\u00ec ph\u1ea7n t\u1eed 25 kh\u00f4ng n\u1eb1m trong t\u1eadp h\u1ee3p H <br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh $25\\notin H$ l\u00e0 \u0111\u00fang<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0: \u0110\u00daNG <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"9","post_id":"703","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["13"],["14"],["15"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"H\u00e3y vi\u1ebft t\u1eadp h\u1ee3p sau b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p. $$C= \\text{ }\\! \\! \\{\\! \\! \\text{ }x \\in \\mathbb{N}| 13 \\le x \\le 15\\}$$ V\u1eady C = { _input_ ; _input_ ; _input_ }","hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 m\u00e0 l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 13 v\u00e0 nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 15","explain":"<span class='basic_pink'>\u0110\u00e1p \u00e1n l\u00e0: C = {13; 14; 15}<\/span>"}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"10","post_id":"703","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["28"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"H\u00e3y vi\u1ebft t\u1eadp h\u1ee3p sau b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p.<br\/> $D=\\text{ }\\! \\! \\{\\! \\! \\text{ }x \\in \\mathbb{N}|x-12=16\\}$ <br\/>V\u1eady D = { _input_ }","hint":"T\u00ecm x th\u1ecfa m\u00e3n x - 12 = 16","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> x - 12 = 16 <br\/> x = 16 + 12 <br\/> x = 28 <br\/> <span class='basic_left'><span class='basic_pink'>\u0110\u00e1p \u00e1n l\u00e0: D = {28}<span>"}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"11","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","title_trans":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","temp":"true_false","correct":[["f","t"]],"list":[{"point":5,"image":"img\/D611_D205.png","col_name":["Kh\u1eb3ng \u0111\u1ecbnh","\u0110\u00fang","Sai"],"arr_ques":["$9\\notin A$ ","$7\\notin A$ "],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":["V\u00ec 9 n\u1eb1m trong t\u1eadp h\u1ee3p A n\u00ean kh\u1eb3ng \u0111\u1ecbnh $9\\notin A$ l\u00e0 sai ","V\u00ec 7 kh\u00f4ng n\u1eb1m trong t\u1eadp h\u1ee3p A n\u00ean kh\u1eb3ng \u0111\u1ecbnh $7\\notin A$ l\u00e0 \u0111\u00fang"]}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"12","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","title_trans":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","temp":"true_false","correct":[["t","f"]],"list":[{"point":5,"image":"img\/D611_D205.png","col_name":["Kh\u1eb3ng \u0111\u1ecbnh","\u0110\u00fang","Sai"],"arr_ques":["$12\\in A$","$a\\notin A$ "],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":["V\u00ec 12 n\u1eb1m trong t\u1eadp h\u1ee3p A n\u00ean kh\u1eb3ng \u0111\u1ecbnh $12\\in A$ l\u00e0 \u0111\u00fang ","V\u00ec a n\u1eb1m trong t\u1eadp h\u1ee3p A n\u00ean kh\u1eb3ng \u0111\u1ecbnh $a\\notin A$ l\u00e0 sai"]}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"13","post_id":"703","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 B = {1; 3; 5; 7; 9} kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang: ","select":["A. B l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 l\u1ebb","B. B l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 l\u1ebb c\u00f3 m\u1ed9t ch\u1eef s\u1ed1","C. 3 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p B","D. B l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 ch\u1eb5n c\u00f3 m\u1ed9t ch\u1eef s\u1ed1"],"hint":"Nh\u00ecn v\u00e0o c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p \u0111\u1ec3 t\u00ecm ra t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng","explain":"<span class='basic_left'>T\u1eadp h\u1ee3p B = {1; 3; 5; 7; 9} <br\/> Ta th\u1ea5y B ch\u1ec9 c\u00f3 5 ph\u1ea7n t\u1eed - m\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 l\u1ebb c\u00f3 v\u1ed1 s\u1ed1 ph\u1ea7n t\u1eed n\u00ean \u0111\u00e1p \u00e1n A sai. Ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed trong t\u1eadp h\u1ee3p B \u0111\u1ec1u l\u00e0 c\u00e1c s\u1ed1 l\u1ebb c\u00f3 m\u1ed9t ch\u1eef s\u1ed1 n\u00ean <b>\u0111\u00e1p \u00e1n B \u0111\u00fang<\/b><br\/>3 l\u00e0 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p B n\u00ean <b>\u0111\u00e1p \u00e1n C sai<\/b> <br\/>\u0111\u00e1p \u00e1n D sai v\u00ec B kh\u00f4ng ch\u1ee9a s\u1ed1 ch\u1eb5n n\u00e0o.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":1}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"14","post_id":"703","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 h\u00ecnh v\u1ebd: <center><img src='img\/D611_D206.png'><\/center> <br\/>Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang? ","select":["A. C kh\u00f4ng ph\u1ea3i l\u00e0 t\u1eadp h\u1ee3p","B. m; n l\u00e0 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p C","C. 5 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p C"],"hint":"D\u1ef1a v\u00e0o h\u00ecnh v\u1ebd v\u00e0 c\u00e1ch bi\u1ec3u di\u1ec5n t\u1eadp h\u1ee3p","explain":"<span class='basic_left'>V\u00ec t\u1eadp h\u1ee3p c\u00f2n \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng 1 v\u00f2ng tr\u00f2n kh\u00e9p k\u00edn n\u00ean C l\u00e0 t\u1eadp h\u1ee3p v\u1eady <b> \u0111\u00e1p \u00e1n A sai <\/b><br\/>Trong t\u1eadp h\u1ee3p C c\u00f3 ph\u1ea7n t\u1eed m v\u00e0 n n\u00ean <b> \u0111\u00e1p \u00e1n B \u0111\u00fang <\/b> <br\/> 5 c\u0169ng l\u00e0 1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p C n\u00ean <b> \u0111\u00e1p \u00e1n C l\u00e0 sai <\/b> <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":1}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"15","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Cho c\u00e1c t\u1eadp h\u1ee3p sau: <br\/> <span class ='basic_pink'>M = {b\u00fat, t\u1ea9y, \u00ea ke} <br\/> N = {s\u00e1ch, v\u1edf, \u00ea ke} <br\/> P = {t\u1ea9y, \u00ea ke} <\/span>,<br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai? ","select":["A. \u00ea ke $\\in $ N","B. t\u1ea9y $\\in $ N","C. b\u00fat $\\notin $ P"],"hint":"Quan s\u00e1t c\u00e1c t\u1eadp h\u1ee3p \u0111\u00e3 cho x\u00e9t t\u1eebng \u0111\u00e1p \u00e1n","explain":"<span class='basic_left'> <span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>A - x\u00e9t xem \u201c\u00ea ke\u201d c\u00f3 n\u1eb1m trong t\u1eadp h\u1ee3p N kh\u00f4ng<br\/>B - x\u00e9t xem \u201ct\u1ea9y\u201d c\u00f3 n\u1eb1m trong t\u1eadp h\u1ee3p N kh\u00f4ng<br\/>C \u2013 x\u00e9t xem \u201cb\u00fat\u201d c\u00f3 n\u1eb1m trong t\u1eadp h\u1ee3p P kh\u00f4ng<br\/> <\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/>V\u00ec trong t\u1eadp h\u1ee3p N c\u00f3 ph\u1ea7n t\u1eed \u201c\u00ea ke\u201d n\u00ean <b> \u0111\u00e1p \u00e1n A \u0111\u00fang <\/b><br\/>V\u00ec trong t\u1eadp h\u1ee3p N kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed \u201ct\u1ea9y\u201d n\u00ean <b>\u0111\u00e1p \u00e1n B sai<\/b> <br\/>V\u00ec trong t\u1eadp h\u1ee3p P kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed \u201cb\u00fat\u201d n\u00ean <b>\u0111\u00e1p \u00e1n C l\u00e0 \u0111\u00fang<\/b> <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: B <\/span> ","column":3}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"16","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Cho c\u00e1c t\u1eadp h\u1ee3p sau: <br\/><span class ='basic_pink'>M = {b\u00fat, t\u1ea9y, \u00ea ke} <br\/> N = {s\u00e1ch, v\u1edf, \u00ea ke} <br\/> P = {t\u1ea9y, \u00ea ke} <\/span>,<br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai? ","select":["A. v\u1edf $\\notin $ M","B. s\u00e1ch $\\notin $ P","C. t\u1ea9y $\\notin $ P"],"hint":"Quan s\u00e1t c\u00e1c t\u1eadp h\u1ee3p \u0111\u00e3 cho x\u00e9t t\u1eebng \u0111\u00e1p \u00e1n","explain":"<span class='basic_left'> <span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>A - x\u00e9t xem \u201cv\u1edf\u201d c\u00f3 n\u1eb1m trong t\u1eadp h\u1ee3p M kh\u00f4ng<br\/>B - x\u00e9t xem \u201cs\u00e1ch\u201d c\u00f3 thu\u1ed9c t\u1eadp h\u1ee3p P kh\u00f4ng<br\/>C \u2013 x\u00e9t xem \u201ct\u1ea9y\u201d c\u00f3 n\u1eb1m trong t\u1eadp h\u1ee3p P kh\u00f4ng<br\/> <\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/>V\u00ec trong t\u1eadp h\u1ee3p M kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed \u201cv\u1edf\u201d n\u00ean <b> \u0111\u00e1p \u00e1n A \u0111\u00fang <\/b><br\/>V\u00ec trong t\u1eadp h\u1ee3p P kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed \u201cs\u00e1ch\u201d n\u00ean <b>\u0111\u00e1p \u00e1n B \u0111\u00fang<\/b> <br\/>V\u00ec trong t\u1eadp h\u1ee3p P c\u00f3 ph\u1ea7n t\u1eed \u201ct\u1ea9y\u201d n\u00ean <b>\u0111\u00e1p \u00e1n C l\u00e0 sai<\/b> <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: C <\/span> ","column":3}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"17","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Cho h\u00ecnh v\u1ebd: <center><img src='img\/D611_D206.png'><\/center><br\/>H\u00e3y ch\u1ecdn k\u00ed hi\u1ec7u th\u00edch h\u1ee3p \u0111i\u1ec1n v\u00e0o \u00f4 vu\u00f4ng <br\/> m <span class='basic_hoi_black'>?<\/span> C","select":["A. $\\in $","B.$\\notin $"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":"<span class='basic_left'> <span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd xem m c\u00f3 n\u1eb1m trong t\u1eadp h\u1ee3p C kh\u00f4ng<br\/> <\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/>V\u00ec m n\u1eb1m trong t\u1eadp h\u1ee3p C n\u00ean $m\\in C$ <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"18","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Cho h\u00ecnh v\u1ebd: <center><img src='img\/D611_D207.png'><\/center><br\/>H\u00e3y ch\u1ecdn k\u00ed hi\u1ec7u th\u00edch h\u1ee3p \u0111i\u1ec1n v\u00e0o \u00f4 vu\u00f4ng <br\/> y <span class='basic_hoi_black'>?<\/span> B","select":["A. $\\in $","B.$\\notin $"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":"<span class='basic_left'> <span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd xem y c\u00f3 n\u1eb1m trong t\u1eadp h\u1ee3p B kh\u00f4ng<br\/> <\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/>V\u00ec y n\u1eb1m trong t\u1eadp h\u1ee3p B n\u00ean $y\\in B$ <span class='basic_pink'> <br\/>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"19","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Cho h\u00ecnh v\u1ebd: <center><img src='img\/D611_D208.png'><\/center><br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai? ","select":["A. $e\\notin C$","B. $18\\in C$","C. $4\\in C$","D. $a\\notin C$"],"hint":"Quan h\u00ecnh v\u1ebd xem \u0111i\u1ec3m n\u00e0o n\u1eb1m trong v\u00f2ng tr\u00f2n, \u0111i\u1ec3m n\u00e0o n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n","explain":"<span class='basic_left'> <span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>A - x\u00e9t <b>e <\/b>n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n<br\/>B - x\u00e9t <b>18 <\/b> n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n<br\/>C \u2013 x\u00e9t xem <b> 4 <\/b>n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n <br\/>D - x\u00e9t xem <b> a <\/b> n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n<br\/> <\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/>V\u00ec \u0111i\u1ec3m <b>e <\/b> n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $e\\notin C$ l\u00e0 <b>\u0111\u00fang<\/b><br\/>V\u00ec <b> 18 <\/b> n\u1eb1m trong v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $18\\in C$ l\u00e0 <b>\u0111\u00fang<\/b> <br\/>V\u00ec <b> 4 <\/b> n\u1eb1m trong v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $4\\in C$ l\u00e0 <b>\u0111\u00fang<\/b> <br\/>V\u00ec <b> a <\/b>n\u1eb1m trong v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $a\\notin C$ l\u00e0 <b> sai<\/b> <span class='basic_pink'> <br\/>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: D <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"},{"id":"20","post_id":"703","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n sai","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Cho h\u00ecnh v\u1ebd: <center><img src='img\/D611_D209.png'><\/center><br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai? ","select":["A. $2\\notin D$","B. $4\\in D$","C. $16\\in D$","D. $i \\notin D$"],"hint":"Quan h\u00ecnh v\u1ebd xem \u0111i\u1ec3m n\u00e0o n\u1eb1m trong v\u00f2ng tr\u00f2n, \u0111i\u1ec3m n\u00e0o n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n","explain":"<span class='basic_left'> <span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>A - x\u00e9t xem <b>2 <\/b>n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n<br\/>B - x\u00e9t xem <b>4 <\/b> n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n<br\/>C \u2013 x\u00e9t xem <b> 16 <\/b>n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n <br\/>D - x\u00e9t xem <b> i <\/b> n\u1eb1m trong hay n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n<br\/> <\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/>V\u00ec <b>2 <\/b> n\u1eb1m ngo\u00e0i v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $e\\notin D$ l\u00e0 <b>\u0111\u00fang<\/b><br\/>V\u00ec <b> 4 <\/b> n\u1eb1m trong v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $4\\in D$ l\u00e0 <b>\u0111\u00fang<\/b> <br\/>V\u00ec <b> 16 <\/b> n\u1eb1m trong v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $16\\in D$ l\u00e0 <b>\u0111\u00fang<\/b> <br\/>V\u00ec <b> i <\/b>n\u1eb1m trong v\u00f2ng tr\u00f2n n\u00ean kh\u1eb3ng \u0111\u1ecbnh $i\\notin D$ l\u00e0 <b> sai<\/b> <span class='basic_pink'> <br\/>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: D <\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:36"}]}