{"segment":[{"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 4 \u0111\u01b0\u1eddng th\u1eb3ng m, n, p, q v\u00e0 4 \u0111i\u1ec3m A, B, C, D. <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai1/lv3/img\/H611_K101.png' \/><\/center> <br\/> <b> C\u00e2u 1: <\/b> B <span class='basic_hoi_black'>?<\/span> m; B <span class='basic_hoi_black'>?<\/span> p <br\/> H\u00e3y ch\u1ecdn k\u00ed hi\u1ec7u $\\in$ ; $\\notin$ l\u1ea7n l\u01b0\u1ee3t thay cho d\u1ea5u <span class='basic_hoi_black'>?<\/span>","select":["A. $\\in ; \\in$","B. $\\notin; \\in$","C. $\\notin; \\notin$","D. $\\in; \\notin$"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta th\u1ea5y \u0111\u01b0\u1eddng th\u1eb3ng m \u0111i qua \u0111i\u1ec3m B <br\/> N\u00ean B $\\in$ m <br\/> \u0110\u01b0\u1eddng th\u1eb3ng p kh\u00f4ng \u0111i qua \u0111i\u1ec3m B n\u00ean B $\\notin$ p <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D. $\\in ; \\notin$<\/span> ","column":2}]}],"id_ques":1881},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":" Cho 4 \u0111\u01b0\u1eddng th\u1eb3ng m, n, p, q v\u00e0 4 \u0111i\u1ec3m A, B, C, D. <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai1/lv3/img\/H611_K101.png' \/><\/center> <br\/> <b> C\u00e2u 2: <\/b> A <span class='basic_hoi_black'>?<\/span> m; A <span class='basic_hoi_black'>?<\/span> n ; A <span class='basic_hoi_black'>?<\/span> q <br\/> H\u00e3y ch\u1ecdn k\u00ed hi\u1ec7u $\\in$ ; $\\notin$ l\u1ea7n l\u01b0\u1ee3t thay cho d\u1ea5u <span class='basic_hoi_black'>?<\/span>","select":["A. $\\in ; \\in; \\notin$","B. $\\notin; \\in; \\notin$","C. $\\notin; \\notin; \\in$","D. $\\in; \\notin; \\in$"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta th\u1ea5y: <br\/> \u0110\u01b0\u1eddng th\u1eb3ng m \u0111i qua \u0111i\u1ec3m A n\u00ean A $\\in$ m <br\/> \u0110\u01b0\u1eddng th\u1eb3ng n \u0111i qua \u0111i\u1ec3m A n\u00ean A $\\in$ n <br\/> \u0110\u01b0\u1eddng th\u1eb3ng q kh\u00f4ng \u0111i qua \u0111i\u1ec3m A n\u00ean A $\\notin$ q <br\/> V\u1eady c\u00e1c k\u00ed hi\u1ec7u c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0: $\\in ; \\in; \\notin$ <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":1882},{"time":24,"part":[{"title":"N\u1ed1i t\u1eeb ho\u1eb7c c\u1ee5m t\u1eeb \u1edf c\u1ed9t b\u00ean tr\u00e1i v\u1edbi c\u1ed9t b\u00ean ph\u1ea3i \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u00e2u ho\u00e0n ch\u1ec9nh","title_trans":"","audio":"","temp":"matching","correct":[["4","1","3","2"]],"list":[{"point":10,"image":"https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai1/lv3/img\/H611_K102.png","left":["\u0110i\u1ec3m M","\u0110i\u1ec3m N","\u0110i\u1ec3m P","\u0110i\u1ec3m Q"],"right":["1. $\\in$ n v\u00e0 $\\notin$ m","2. $\\in$ m v\u00e0 $\\notin$ p","3. $\\in$ m v\u00e0 $\\in$ p ","4. $\\in$ q v\u00e0 $\\notin$ n"],"top":100,"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t c\u00e1c kh\u1eb3ng \u0111\u1ecbnh \u1edf v\u1ebf ph\u1ea3i xem \u0111i\u1ec3m n\u00e0o th\u1ecfa m\u00e3n c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3 <br\/> Sau \u0111\u00f3 n\u1ed1i v\u1edbi t\u00ean \u0111i\u1ec3m \u1edf v\u1ebf tr\u00e1i<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> 1. $\\in$ n V\u00ec \u0111i\u1ec3m \u0111\u00f3 thu\u1ed9c n n\u00ean ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 Q ho\u1eb7c N <br\/> Nh\u01b0ng Q $\\in$ m (lo\u1ea1i) $\\Rightarrow$ \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111i\u1ec3m N <br\/> 2. $\\in$ m $\\Rightarrow$ ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 P ho\u1eb7c Q<br\/> V\u00ec P $\\in$ p (lo\u1ea1i) $\\Rightarrow$ \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111i\u1ec3m Q <br\/> 3. $\\in$ m $\\Rightarrow$ ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 P ho\u1eb7c Q <br\/> V\u00ec P $\\in$ p; Q $\\notin$ p $\\Rightarrow$ \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111i\u1ec3m P <br\/> 4. $\\in$ q $\\Rightarrow$ ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 M ho\u1eb7c N <br\/> V\u00ec N $\\in$ n (lo\u1ea1i) $\\Rightarrow$ \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111i\u1ec3m M <br\/>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'>\u0110i\u1ec3m M - 4; \u0111i\u1ec3m N - 1; \u0111i\u1ec3m P - 3; \u0111i\u1ec3m Q - 2<\/span> <\/span> "}]}],"id_ques":1883},{"time":24,"part":[{"title":"N\u1ed1i t\u1eeb ho\u1eb7c c\u1ee5m t\u1eeb \u1edf c\u1ed9t b\u00ean tr\u00e1i v\u1edbi c\u1ed9t b\u00ean ph\u1ea3i \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u00e2u ho\u00e0n ch\u1ec9nh","title_trans":"","audio":"","temp":"matching","correct":[["3","2","1"]],"list":[{"point":10,"image":"https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai1/lv3/img\/H611_K103.png","left":["\u0110i\u1ec3m A","\u0110i\u1ec3m B","\u0110i\u1ec3m C"],"right":["1. $\\in$ c v\u00e0 $\\notin$ b","2. $\\notin$ a v\u00e0 $\\in$ c","3. $\\in$ a v\u00e0 $\\in$ b "],"top":100,"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t c\u00e1c kh\u1eb3ng \u0111\u1ecbnh \u1edf v\u1ebf ph\u1ea3i xem \u0111i\u1ec3m n\u00e0o th\u1ecfa m\u00e3n c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3 <br\/> Sau \u0111\u00f3 n\u1ed1i v\u1edbi t\u00ean \u0111i\u1ec3m \u1edf v\u1ebf tr\u00e1i<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> 1. V\u00ec \u0111i\u1ec3m \u0111\u00f3 thu\u1ed9c c n\u00ean ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 C ho\u1eb7c B <br\/> Nh\u01b0ng B $\\in$ b (lo\u1ea1i) $\\Rightarrow$ \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111i\u1ec3m C <br\/> 2. V\u00ec \u0111i\u1ec3m \u0111\u00f3 kh\u00f4ng thu\u1ed9c a $\\Rightarrow$ ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 B <br\/> V\u00ec B $\\in$ c (th\u1ecfa m\u00e3n) <br\/> 3. V\u00ec \u0111i\u1ec3m \u0111\u00f3 thu\u1ed9c a $\\Rightarrow$ ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 A ho\u1eb7c C<br\/> V\u00ec C $\\notin$ b (lo\u1ea1i) $\\Rightarrow$ \u0111i\u1ec3m \u0111\u00f3 l\u00e0 \u0111i\u1ec3m A <br\/>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'>\u0110i\u1ec3m A - 3; \u0111i\u1ec3m B - 2; \u0111i\u1ec3m C - 1 <\/span> "}]}],"id_ques":1884},{"time":24,"part":[{"title":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["C"],["A"],["B"]]],"list":[{"point":10,"width":50,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai1/lv3/img\/H611_K106.png' \/><\/center><br\/> Cho 2 \u0111\u01b0\u1eddng th\u1eb3ng m, n v\u00e0 3 \u0111i\u1ec3m ch\u01b0a \u0111\u1eb7t t\u00ean nh\u01b0 h\u00ecnh v\u1ebd. H\u00e3y \u0111i\u1ec1n c\u00e1c ch\u1eef c\u00e1i A, B, C v\u00e0o v\u1ecb tr\u00ed c\u1ee7a n\u00f3 thay cho c\u00e1c s\u1ed1 1, 2, 3 bi\u1ebft: <br\/> \u0110i\u1ec3m A kh\u00f4ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng m v\u00e0 c\u0169ng kh\u00f4ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng n <br\/> \u0110i\u1ec3m B kh\u00f4ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng m nh\u01b0ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng n<br\/> \u0110i\u1ec3m C kh\u00f4ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng n nh\u01b0ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng m <br\/> V\u1eady c\u00e1c \u0111i\u1ec3m c\u1ea7n \u0111i\u1ec1n l\u00e0: 1: _input_ ; 2: _input_ ; 3: _input_","hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> +) V\u00ec \u0111i\u1ec3m A $\\notin$ m v\u00e0 A $\\notin$ n $\\Rightarrow$ \u0111i\u1ec3m A \u1edf v\u1ecb tr\u00ed s\u1ed1 2 <br\/> +) V\u00ec B $\\notin$ m $\\Rightarrow$ B c\u00f3 th\u1ec3 \u1edf v\u1ecb tr\u00ed s\u1ed1 3 ho\u1eb7c 2 <br\/> Nh\u01b0ng v\u1ecb tr\u00ed s\u1ed1 2 l\u00e0 \u0111i\u1ec3m A $\\Rightarrow$ B \u1edf v\u1ecb tr\u00ed s\u1ed1 3 <br\/> +) V\u00ec C $\\notin$ n $\\Rightarrow$ C \u1edf v\u1ecb tr\u00ed s\u1ed1 1 ho\u1eb7c 2 <br\/> V\u00ec A \u1edf v\u1ecb tr\u00ed s\u1ed1 2 $\\Rightarrow$ C \u1edf v\u1ecb tr\u00ed s\u1ed1 1 <br\/> <span class='basic_pink'> V\u1eady c\u00e1c \u0111i\u1ec3m c\u1ea7n \u0111i\u1ec1n l\u00e0: 1: C; 2: A; 3: B <\/span>"}]}],"id_ques":1885},{"time":24,"part":[{"title":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["A"],["C"],["B"],["D"]]],"list":[{"point":10,"width":50,"content":"","type_input":"","ques":"Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai1/lv3/img\/H611_K107.png' \/><\/center> <br\/> H\u00e3y \u0111i\u1ec1n t\u00ean c\u00e1c \u0111i\u1ec3m A, B, C, D v\u00e0o c\u00e1c v\u1ecb tr\u00ed 1, 2, 3, 4 tr\u00ean h\u00ecnh v\u1ebd bi\u1ebft: <br\/> \u0110i\u1ec3m A $\\in$ a; A $\\notin$ c <br\/> \u0110i\u1ec3m B $\\in$ c; B $\\notin$ a <br\/> \u0110i\u1ec3m C $\\in$ a; C $\\notin$ b <br\/> \u0110i\u1ec3m D $\\not \\in$ a; D $\\not \\in$ b; D $\\not \\in$ c <br\/> V\u1eady c\u00e1c \u0111i\u1ec3m c\u1ea7n \u0111i\u1ec1n l\u00e0: 1: _input_ ; 2: _input_ ; 3: _input_; 4: _input_","hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta th\u1ea5y: <br\/> +) V\u00ec A $\\in$ a $\\Rightarrow$ A c\u00f3 th\u1ec3 \u1edf v\u1ecb tr\u00ed s\u1ed1 1 ho\u1eb7c 2 <br\/> M\u1eb7t kh\u00e1c A $\\notin$ c $\\Rightarrow$ A \u1edf v\u1ecb tr\u00ed s\u1ed1 1 <br\/> +) V\u00ec B $\\in$ c $\\Rightarrow$ B c\u00f3 th\u1ec3 \u1edf v\u1ecb tr\u00ed s\u1ed1 2 ho\u1eb7c 3 <br\/> M\u1eb7t kh\u00e1c B $\\notin$ a $\\Rightarrow$ B \u1edf v\u1ecb tr\u00ed s\u1ed1 3 <br\/> +) V\u00ec C $\\in$ a $\\Rightarrow$ C c\u00f3 th\u1ec3 \u1edf v\u1ecb tr\u00ed s\u1ed1 1 ho\u1eb7c 2 <br\/> M\u1eb7t kh\u00e1c C $\\notin$ b $\\Rightarrow$ C \u1edf v\u1ecb tr\u00ed s\u1ed1 2 <br\/> +) V\u00ec D $\\notin$ a, D $\\notin$ b; D $\\notin$ c $\\Rightarrow$ D \u1edf v\u1ecb tr\u00ed s\u1ed1 4 <br\/><span class='basic_pink'> V\u1eady c\u00e1c \u0111i\u1ec3m c\u1ea7n \u0111i\u1ec1n l\u00e0: 1: A; 2: C; 3: B; 4: D <\/span>"}]}],"id_ques":1886},{"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 \u0111i\u1ec3m A v\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng a. Khi \u0111\u00f3 kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang.","select":["A. \u0110i\u1ec3m A lu\u00f4n thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng a","B. \u0110i\u1ec3m A lu\u00f4n n\u1eb1m ngo\u00e0i \u0111\u01b0\u1eddng th\u1eb3ng a","C. \u0110i\u1ec3m A c\u00f3 th\u1ec3 n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng a ho\u1eb7c n\u1eb1m ngo\u00e0i \u0111\u01b0\u1eddng th\u1eb3ng a"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec \u0111\u1ec1 b\u00e0i ch\u1ec9 cho \u0111\u01b0\u1eddng th\u1eb3ng a v\u00e0 \u0111i\u1ec3m A n\u00ean c\u00f3 th\u1ec3 x\u1ea3y ra c\u00e1c kh\u1ea3 n\u0103ng: <br\/> +) \u0110i\u1ec3m A n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng a <br\/> +) Ho\u1eb7c \u0111i\u1ec3m A n\u1eb1m ngo\u00e0i \u0111\u01b0\u1eddng th\u1eb3ng A <br\/> <span class='basic_pink'> V\u1eady kh\u1eb3ng \u0111\u1ecbnh \u0111\u00fang l\u00e0: C <\/span> ","column":1}]}],"id_ques":1887},{"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 hai \u0111\u01b0\u1eddng th\u1eb3ng a, b v\u00e0 \u0111i\u1ec3m M. Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang.","select":["A. Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b lu\u00f4n c\u1eaft nhau t\u1ea1i M","B. Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b lu\u00f4n kh\u00f4ng \u0111i qua M","C. Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b c\u00f3 th\u1ec3 c\u1eaft nhau t\u1ea1i M","D. Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b lu\u00f4n tr\u00f9ng nhau v\u00e0 \u0111i qua M"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/>\u0110\u1ec1 b\u00e0i cho hai \u0111\u01b0\u1eddng th\u1eb3ng a, b v\u00e0 \u0111i\u1ec3m M n\u00ean c\u00f3 th\u1ec3 x\u1ea3y ra c\u00e1c kh\u1ea3 n\u0103ng: <br\/> +)Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b c\u1eaft nhau t\u1ea1i M <br\/> +) Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b c\u1eaft nhau M thu\u1ed9c A ho\u1eb7c M thu\u1ed9c B <br\/> +) Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b c\u1eaft nhau v\u00e0 M n\u1eb1m ngo\u00e0i 2 \u0111\u01b0\u1eddng th\u1eb3ng a, b <br\/> +) Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b kh\u00f4ng c\u1eaft nhau, M n\u1eb1m tr\u00ean m\u1ed9t trong hai \u0111\u01b0\u1eddng th\u1eb3ng <br\/> +) Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b kh\u00f4ng c\u1eaft nhau, M n\u1eb1m ngo\u00e0i c\u1ea3 hai \u0111\u01b0\u1eddng th\u1eb3ng <br\/> +) Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b tr\u00f9ng nhau v\u00e0 \u0111i qua M <br\/> +) Hai \u0111\u01b0\u1eddng th\u1eb3ng a, b tr\u00f9ng nhau v\u00e0 M n\u1eb1m ngo\u00e0i c\u1ea3 hai \u0111\u01b0\u1eddng th\u1eb3ng <br\/> <span class='basic_pink'> V\u1eady kh\u1eb3ng \u0111\u1ecbnh \u0111\u00fang l\u00e0: C <\/span> ","column":1}]}],"id_ques":1888},{"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 3 \u0111i\u1ec3m A, B, C v\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng d. Bi\u1ebft A, B kh\u00f4ng n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng d v\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng d ch\u1ee9a \u0111i\u1ec3m C. <br\/> H\u00e3y ch\u1ecdn \u0111\u00e1p \u00e1n ch\u1ec9 c\u00e1ch d\u00f9ng k\u00ed hi\u1ec7u $\\in; \\notin$ di\u1ec5n \u0111\u1ea1t l\u1ea1i \u0111\u00fang b\u00e0i to\u00e1n tr\u00ean.","select":["A. A $\\notin$ d; B $\\notin$ d v\u00e0 C $\\notin$ d","B. A $\\notin$ d; B $\\in$ d v\u00e0 C $\\in$ d","C. A $\\notin$ d; B $\\notin$ d v\u00e0 C $\\in$ d","D. A $\\in$ d; B $\\in$ d v\u00e0 C $\\notin$ d"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec A, B kh\u00f4ng n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng d n\u00ean A $\\notin$ d v\u00e0 B $\\notin$ d (1) <br\/> V\u00ec \u0111\u01b0\u1eddng th\u1eb3ng d ch\u1ee9a \u0111i\u1ec3m C n\u00ean C $\\in$ d (2) <br\/> T\u1eeb (1) v\u00e0 (2) $\\Rightarrow$ \u0111\u00e1p \u00e1n C <b> \u0110\u00daNG <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n ph\u1ea3i ch\u1ecdn l\u00e0: C <\/span> ","column":2}]}],"id_ques":1889},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":" Cho 3 \u0111i\u1ec3m M, N, P v\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng a. Bi\u1ebft \u0111\u01b0\u1eddng th\u1eb3ng a ch\u1ee9a \u0111i\u1ec3m M v\u00e0 \u0111i\u1ec3m N nh\u01b0ng kh\u00f4ng ch\u1ee9a \u0111i\u1ec3m P <br\/> H\u00e3y ch\u1ecdn \u0111\u00e1p \u00e1n ch\u1ec9 c\u00e1ch d\u00f9ng k\u00ed hi\u1ec7u $\\in; \\notin$ di\u1ec5n \u0111\u1ea1t l\u1ea1i \u0111\u00fang b\u00e0i to\u00e1n tr\u00ean.","select":["A. M $\\in$ a; N $\\notin$ a v\u00e0 P $\\in$ a","B. M $\\in$ a; N $\\in$ a v\u00e0 P $\\notin$ a","C. M $\\notin$ a; N $\\in$ a v\u00e0 P $\\in$ a","D. M $\\notin$ a; N $\\notin$ a v\u00e0 P $\\in$ a"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec \u0111\u01b0\u1eddng th\u1eb3ng a ch\u1ee9a \u0111i\u1ec3m M v\u00e0 \u0111i\u1ec3m N n\u00ean M $\\in$ a v\u00e0 N $\\in$ a (1) <br\/> V\u00ec \u0111\u01b0\u1eddng th\u1eb3ng a kh\u00f4ng ch\u1ee9a \u0111i\u1ec3m P n\u00ean P $\\notin$ a (2) <br\/> T\u1eeb (1) v\u00e0 (2) $\\Rightarrow$ \u0111\u00e1p \u00e1n B <b> \u0110\u00daNG <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n ph\u1ea3i ch\u1ecdn l\u00e0: B <\/span> ","column":2}]}],"id_ques":1890}],"lesson":{"save":0,"level":3}}