{"common":{"save":0,"post_id":"705","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"41","post_id":"705","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":[[4]],"list":[{"point":10,"ques":"Cho h\u00ecnh v\u1ebd: <br\/><center><img src='img\/D611_K101.png'<\/center> <br\/>Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang:","select":["A. E = {1; 2; 3; c} ","B. E = {1; 2; 3} ","C. E = {2; 3; 4; c} ","D. E = {1; 2; 3; 4; c} "],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u xanh l\u00e1 c\u00e2y ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p E","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u xanh l\u00e1 c\u00e2y ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p E <br\/> \u0110\u1ed1i chi\u1ebfu v\u1edbi \u0111\u00e1p \u00e1n \u0111\u1ec3 t\u00ecm \u0111\u00e1p \u00e1n \u0111\u00fang<\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/><br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y E = {1; 2; 3; 4; c} <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"42","post_id":"705","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":[[4]],"list":[{"point":10,"ques":"Cho h\u00ecnh v\u1ebd: <br\/><center><img src='img\/D611_K102.png'<\/center> <br\/>Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang:","select":["A. G = {9; 4; n; 11} ","B. G = {9; 3; q; 8} ","C. G = {3; 4; 9; 8} ","D. G = {3; 4; 9; q; n} "],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p G","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/>Quan s\u00e1t h\u00ecnh v\u1ebd c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p G <br\/> \u0110\u1ed1i chi\u1ebfu v\u1edbi \u0111\u00e1p \u00e1n \u0111\u1ec3 t\u00ecm \u0111\u00e1p \u00e1n \u0111\u00fang<\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/><br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y G = {3; 4; 9; n; q} <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"43","post_id":"705","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":10,"ques":"Cho h\u00ecnh v\u1ebd: <br\/><center><img src='img\/D611_K201.png' <\/center><br\/>Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai:","select":["A. $y \\in N$","B. $y \\in P$ ","C. $a \\notin P$ ","D. $4 \\in P$"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> A \u2013 Quan s\u00e1t h\u00ecnh v\u1ebd xem y c\u00f3 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u t\u00edm kh\u00f4ng <br\/>B \u2013 Quan s\u00e1t h\u00ecnh v\u1ebd xem y c\u00f3 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf kh\u00f4ng<br\/> C - Quan s\u00e1t h\u00ecnh v\u1ebd xem a c\u00f3 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf kh\u00f4ng <br\/> D - Quan s\u00e1t h\u00ecnh v\u1ebd xem 4 c\u00f3 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf kh\u00f4ng<\/span> <br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> + V\u00ec y n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u t\u00edm<br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh<b> \u201c$y \\in N$ \u201d<\/b>l\u00e0 <b>\u0110\u00daNG <\/b> <br\/>+ V\u00ec y n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf <br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh <b>\u201c $y \\in P$\u201d <\/b> l\u00e0 <b> \u0110\u00daNG <\/b> <br\/>+ V\u00ec a n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf<br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh <b>\u201c$ a \\notin P$\u201d <\/b> l\u00e0 <b> SAI<\/b> <br\/>+ V\u00ec 4 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111\u1ecf <br\/>N\u00ean kh\u1eb3ng \u0111\u1ecbnh <b>\u201c$ 4 \\in P$\u201d <\/b> l\u00e0 <b> \u0110\u00daNG <\/b><span class='basic_pink'> <br\/>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: C<\/span>","column":2}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"44","post_id":"705","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":[[["79"],["80"],["81"],["82"],["83"],["84"]]],"list":[{"point":10,"width":40,"content":"","type_input":"","ques":"Vi\u1ebft t\u1eadp h\u1ee3p E g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 kh\u00f4ng nh\u1ecf h\u01a1n 79 v\u00e0 nh\u1ecf h\u01a1n 85 <br\/> <br\/>V\u1eady E = { _input_ ; _input_ ; _input_ ; _input_ ; _input_ ; _input_}","hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 l\u1edbn h\u01a1n 79 ho\u1eb7c b\u1eb1ng 79 v\u00e0 nh\u1ecf h\u01a1n 85","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Kh\u00f4ng nh\u1ecf h\u01a1n 79 c\u00f3 ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 b\u1eb1ng ho\u1eb7c l\u1edbn h\u01a1n <br\/> N\u00ean ta li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 79 v\u00e0 nh\u1ecf h\u01a1n 85<\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> C\u00e1c s\u1ed1 l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 79 v\u00e0 nh\u1ecf h\u01a1n 85 l\u00e0: 79; 80; 81; 82; 83; 84 <br\/> V\u1eady E = {79; 80; 81; 82; 83; 84} <br\/> N\u00ean c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <span class='basic_pink'>79; 80; 81; 82; 83; 84<\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"45","post_id":"705","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":[[["30"],["60"],["90"]]],"list":[{"point":10,"width":40,"content":"","type_input":"","ques":"Vi\u1ebft t\u1eadp h\u1ee3p Q g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c c\u00f3 hai ch\u1eef s\u1ed1 v\u00e0 chia h\u1ebft cho 3 <br\/> <br\/>V\u1eady Q = { _input_ ; _input_ ; _input_ }","hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 3<\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> C\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 3 l\u00e0: 30; 60; 90 <br\/> V\u1eady Q = {30; 60; 90} <br\/> N\u00ean c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <span class='basic_pink'>30; 60; 90<\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"46","post_id":"705","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":[[["59"],["48"],["37"],["26"],["15"]]],"list":[{"point":10,"width":40,"content":"","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 $$M = \\left\\{\\overline{ab}\\in \\mathbb{N} | b - a = 4, a \\neq b \\right\\}$$ <br\/>V\u1eady M = { _input_ ; _input_ ; _input_ ; _input_; _input_ }","hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 hi\u1ec7u gi\u1eefa ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb v\u1edbi ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c b\u1eb1ng 4","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Vi\u1ebft 4 th\u00e0nh hi\u1ec7u c\u1ee7a hai s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 1 ch\u1eef s\u1ed1 <br\/> L\u1eadp c\u00e1c s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 t\u1eeb c\u00e1c s\u1ed1 v\u1eeba t\u00ecm sao cho hi\u1ec7u gi\u1eefa ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb v\u1edbi ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c b\u1eb1ng 4<\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> Ta c\u00f3: 4 = 9 - 5 = 8 - 4 = 7 - 3 = 6 - 2 = 5 - 1 <br\/> V\u1eady ta vi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 c\u00f3 hi\u1ec7u gi\u1eefa ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb v\u1edbi ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c l\u00e0 4 l\u00e0: 59; 48; 37; 26; 15 <br\/> N\u00ean c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <span class='basic_pink'> 59; 48; 37; 26; 15<\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"47","post_id":"705","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":[[["0"],["10"]]],"list":[{"point":10,"width":40,"content":"","type_input":"","ques":"Cho c\u00e1c t\u1eadp h\u1ee3p sau: $$\\begin{align*}& A = \\left\\{0; 2; 4; 6; 8; 10; 12; 14; a\\right\\} \\\\& B =\\left\\{ 1; 3; 5; 7; 9; a\\right\\} \\\\& C = \\left\\{0; 5; 10; 15; 20; a\\right\\}\\end{align*}$$ <br\/> T\u1eadp h\u1ee3p M c\u00e1c ph\u1ea7n t\u1eed v\u1eeba thu\u1ed9c A v\u1eeba thu\u1ed9c C nh\u01b0ng kh\u00f4ng thu\u1ed9c B l\u00e0: M ={ _input_ ; _input_ }","hint":"V\u1ebd bi\u1ec3u di\u1ec5n c\u00e1c t\u1eadp h\u1ee3p b\u1eb1ng s\u01a1 \u0111\u1ed3 ven","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Bi\u1ec3u di\u1ec5n c\u00e1c t\u1eadp h\u1ee3p b\u1eb1ng s\u01a1 \u0111\u1ed3 ven <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> Theo \u0111\u1ec1 b\u00e0i ta c\u00f3 h\u00ecnh v\u1ebd: <br\/><center><img src='img\/D611_K103.png' \/><\/center><br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed v\u1eeba thu\u1ed9c C v\u1eeba thu\u1ed9c A nh\u01b0ng kh\u00f4ng thu\u1ed9c B ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed trong ph\u1ea7n m\u00e0u v\u00e0ng \u0111\u00f3 l\u00e0: 0; 10<br\/> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <span class='basic_pink'> 0; 10<\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"48","post_id":"705","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":[[["7"],["22"],["15"]]],"list":[{"point":10,"width":40,"content":"","type_input":"","ques":"Cho c\u00e1c t\u1eadp h\u1ee3p sau: $$\\begin{align*}& M = \\left\\{7; 22; 15; 2; 4; 6; a; n\\right\\} \\\\& N =\\left\\{ 2; 4; y; 25\\right\\} \\\\& P = \\left\\{18; a; n; 6; 4\\right\\}\\end{align*}$$ <br\/> T\u1eadp h\u1ee3p G c\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c M nh\u01b0ng kh\u00f4ng thu\u1ed9c N v\u00e0 kh\u00f4ng thu\u1ed9c P l\u00e0: <br\/> G ={ _input_ ; _input_; _input_}","hint":"V\u1ebd bi\u1ec3u di\u1ec5n c\u00e1c t\u1eadp h\u1ee3p b\u1eb1ng s\u01a1 \u0111\u1ed3 ven","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Bi\u1ec3u di\u1ec5n c\u00e1c t\u1eadp h\u1ee3p b\u1eb1ng s\u01a1 \u0111\u1ed3 ven <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> Theo \u0111\u1ec1 b\u00e0i ta c\u00f3 h\u00ecnh v\u1ebd: <br\/><center><img src='img\/D611_K105.png' \/><\/center><br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c M nh\u01b0ng kh\u00f4ng thu\u1ed9c N v\u00e0 kh\u00f4ng thu\u1ed9c P l\u00e0: 7; 22; 15 <br\/> V\u1eady : <span class='basic_pink'> G = {7; 22; 15}<\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"49","post_id":"705","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":10,"ques":"Cho t\u1eadp h\u1ee3p B g\u1ed3m c\u00e1c ch\u1eef c\u00e1i trong c\u1ee5m t\u1eeb \u201cHo Chi Minh\u201d <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai:","select":["A. $o \\in B$","B. $M \\in B$ ","C. $i \\notin B$ ","D. $h \\in B$"],"hint":"Li\u1ec7t k\u00ea c\u00e1c ph\u1ea7n t\u1eed trong t\u1eadp h\u1ee3p B, \u0111\u1ed1i chi\u1ebfu c\u00e1c \u0111\u00e1p \u00e1n \u0111\u1ec3 t\u00ecm \u0111\u00e1p \u00e1n sai","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Li\u1ec7t k\u00ea c\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p B (c\u00e1c ph\u1ea7n t\u1eed gi\u1ed1ng nhau ch\u1ec9 vi\u1ebft 1 l\u1ea7n) <br\/> \u0110\u1ed1i chi\u1ebfu c\u00e1c \u0111\u00e1p \u00e1n v\u1edbi c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a B \u0111\u1ec3 t\u00ecm \u0111\u00e1p \u00e1n sai<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: B = {h; o; c; i; n; m} <br\/> A - Kh\u1eb3ng \u0111\u1ecbnh $o \\in B$ l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> B - Kh\u1eb3ng \u0111\u1ecbnh $M \\in B$ l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> C - Kh\u1eb3ng \u0111\u1ecbnh $i \\notin B$ l\u00e0 <b> SAI <\/b> <br\/> D - Kh\u1eb3ng \u0111\u1ecbnh $h \\in B$ l\u00e0 <b> \u0110\u00daNG <\/b> <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: C<\/span><br\/>","column":2}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"},{"id":"50","post_id":"705","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":10,"ques":"Kh\u1ed1i l\u1edbp 6 c\u00f3 100 h\u1ecdc sinh trong \u0111\u00f3 c\u00f3 75 h\u1ecdc sinh th\u00edch m\u00f4n To\u00e1n, 60 h\u1ecdc sinh th\u00edch m\u00f4n V\u0103n. <br\/> G\u1ecdi t\u1eadp h\u1ee3p A g\u1ed3m 75 h\u1ecdc sinh th\u00edch m\u00f4n To\u00e1n <br\/> T\u1eadp h\u1ee3p B g\u1ed3m 60 h\u1ecdc sinh th\u00edch m\u00f4n V\u0103n <br\/> T\u1eadp h\u1ee3p C g\u1ed3m c\u00e1c h\u1ecdc sinh th\u00edch c\u1ea3 To\u00e1n v\u00e0 V\u0103n <br\/> V\u1eady t\u1eadp h\u1ee3p C c\u00f3 bao nhi\u00eau h\u1ecdc sinh? ","select":["A. 25 h\u1ecdc sinh","B. 40 h\u1ecdc sinh ","C. 35 h\u1ecdc sinh ","D. 30 h\u1ecdc sinh"],"hint":"V\u1ebd s\u01a1 \u0111\u1ed3 ven","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> V\u1ebd s\u01a1 \u0111\u1ed3 ven<br\/> <b> B\u01b0\u1edbc 2: <\/b>D\u1ef1a v\u00e0o s\u01a1 \u0111\u1ed3 ven \u0111\u1ec3 t\u00ecm s\u1ed1 h\u1ecdc sinh kh\u00f4ng th\u00edch m\u00f4n To\u00e1n <br\/> <b> B\u01b0\u1edbc 3: <\/b>T\u00ecm s\u1ed1 h\u1ecdc sinh kh\u00f4ng th\u00edch m\u00f4n V\u0103n <br\/> <b> B\u01b0\u1edbc 4: <\/b>T\u00ecm s\u1ed1 h\u1ecdc sinh th\u00edch c\u1ea3 To\u00e1n v\u00e0 V\u0103n<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>Ta c\u00f3 s\u01a1 \u0111\u1ed3: <center><img src='img\/D611_K106.png' \/><\/center> <br\/> V\u00ec kh\u1ed1i 6 c\u00f3 100 h\u1ecdc sinh n\u00ean: <br\/> S\u1ed1 h\u1ecdc sinh kh\u00f4ng th\u00edch m\u00f4n To\u00e1n l\u00e0: <br\/> 100 - 75 = 25 (h\u1ecdc sinh) <br\/> S\u1ed1 h\u1ecdc sinh kh\u00f4ng th\u00edch m\u00f4n V\u0103n l\u00e0: <br\/>100 - 60 = 40 (h\u1ecdc sinh) <br\/> S\u1ed1 h\u1ecdc sinh th\u00edch c\u1ea3 To\u00e1n v\u00e0 V\u0103n l\u00e0: <br\/> 100 - 25 - 40 = 35 (h\u1ecdc sinh) <br\/> V\u1eady t\u1eadp h\u1ee3p C g\u1ed3m: <span class='basic_pink'>35 h\u1ecdc sinh<\/span><br\/>","column":2}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:37"}]}