{"segment":[{"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":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/11.jpg' \/><\/center> <br\/> 4 v\u1eeba l\u00e0 \u01b0\u1edbc c\u1ee7a 8 v\u1eeba l\u00e0 \u01b0\u1edbc c\u1ee7a 12. <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: 8 $\\vdots$ 4 $\\Rightarrow$ 4 l\u00e0 \u01b0\u1edbc c\u1ee7a 8 <br\/> 12 $\\vdots$ 4 $\\Rightarrow$ 4 l\u00e0 \u01b0\u1edbc c\u1ee7a 12 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":661},{"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":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/11.jpg' \/><\/center> <br\/> 15 v\u1eeba l\u00e0 \u01b0\u1edbc c\u1ee7a 45 v\u1eeba l\u00e0 \u01b0\u1edbc c\u1ee7a 50 <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> V\u00ec 45 $ \\vdots$ 15 $\\Rightarrow$ 15 l\u00e0 \u01b0\u1edbc c\u1ee7a 45 <br\/> V\u00ec 50 $\\not \\vdots$ 15 $\\Rightarrow$ 15 kh\u00f4ng ph\u1ea3i l\u00e0 \u01b0\u1edbc c\u1ee7a 50 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh ''15 v\u1eeba l\u00e0 \u01b0\u1edbc c\u1ee7a 45 v\u1eeba l\u00e0 \u01b0\u1edbc c\u1ee7a 50'' l\u00e0 <b> SAI <\/b> ","column":2}]}],"id_ques":662},{"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":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/13.jpg' \/><\/center> <br\/> Giao c\u1ee7a hai t\u1eadp h\u1ee3p l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed chung c\u1ee7a hai t\u1eadp h\u1ee3p \u0111\u00f3. <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: Giao c\u1ee7a hai t\u1eadp h\u1ee3p l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed chung c\u1ee7a hai t\u1eadp h\u1ee3p \u0111\u00f3 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":663},{"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":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/13.jpg' \/><\/center> <br\/>Cho hai t\u1eadp h\u1ee3p: X = {a; b}; Y = {c} <br\/> Linh kh\u1eb3ng \u0111\u1ecbnh: $X \\cap Y = \\varnothing$. <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: X = {a; b}; Y = {c} <br\/> t\u1eadp h\u1ee3p X v\u00e0 t\u1eadp h\u1ee3p Y kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed n\u00e0o chung <br\/> $\\Rightarrow$ $X \\cap Y = \\varnothing$ <br\/> V\u1eady kh\u1eb3ng tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":664},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/9.jpg' \/><\/center> <br\/> Trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh sau kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang? ","select":["A. $4 \\in \u01afC(14; 28)$","B. $6 \\in \u01afC(14; 28)$","C. $7 \\in \u01afC(14; 28)$"],"hint":"X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c x $\\in \u01afC(a, b)$ n\u1ebfu a $\\vdots$ x v\u00e0 b $\\vdots$ x","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec x $\\in \u01afC(a, b$) n\u1ebfu a $\\vdots$ x v\u00e0 b $\\vdots$ x <br\/> A - V\u00ec 14 $\\not \\vdots$ 4 v\u00e0 28 $ \\vdots$ 4 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$4 \\in \u01afC(14, 28)$'' l\u00e0 <b> SAI <\/b> <br\/> B - V\u00ec 14 $\\not \\vdots$ 6 v\u00e0 28 $\\not \\vdots$ 6 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$6 \\in \u01afC(14, 28)$'' l\u00e0 <b> SAI <\/b> <br\/> C - V\u00ec 14 $\\vdots$ 7 v\u00e0 28 $ \\vdots$ 7 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$7 \\in \u01afC(14, 28)$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span> ","column":3}]}],"id_ques":665},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/9.jpg' \/><\/center> <br\/> Trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh sau kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang? ","select":["A. $2 \\in \u01afC(16; 18)$","B. $3 \\in \u01afC(16; 18)$","C. $4 \\in \u01afC(16; 18)$"],"hint":"X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c x $\\in \u01afC(a, b)$ n\u1ebfu a $\\vdots$ x v\u00e0 b $\\vdots$ x","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec x $\\in \u01afC(a, b)$ n\u1ebfu a $\\vdots$ x v\u00e0 b $\\vdots$ x <br\/> A - V\u00ec 16 $ \\vdots$ 2 v\u00e0 18 $ \\vdots$ 2 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$2 \\in \u01afC(16, 18)$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> B - V\u00ec 16 $\\not \\vdots$ 3 v\u00e0 18 $ \\vdots$ 3 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$3 \\in \u01afC(16, 18)$'' l\u00e0 <b> SAI <\/b> <br\/> C - V\u00ec 16 $\\vdots$ 4 v\u00e0 18 $\\not \\vdots$ 4 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$4 \\in \u01afC(16, 18)$'' l\u00e0 <b> SAI <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span> ","column":3}]}],"id_ques":666},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/4.jpg' \/><\/center> <br\/> Trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh sau kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang? ","select":["A. $18 \\in BC(6, 8)$","B. $14 \\in BC(2; 7)$","C. $15 \\in BC(5, 2)$"],"hint":"X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c x $\\in BC(a, b)$ n\u1ebfu x $\\vdots$ a v\u00e0 x $\\vdots$ b","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec x $\\in BC(a, b)$ n\u1ebfu x $\\vdots$ a v\u00e0 x $\\vdots$ b <br\/> A - V\u00ec 18 $ \\vdots$ 8 nh\u01b0ng 18 $\\not \\vdots$ 8 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$18 \\in BC(6, 8)$'' l\u00e0 <b> SAI <\/b> <br\/> B - V\u00ec 14 $ \\vdots$ 2 v\u00e0 14 $ \\vdots$ 7 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$14 \\in BC(2, 7)$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> C - V\u00ec 15 $\\vdots$ 5 nh\u01b0ng 15 $\\not \\vdots$ 2 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$15 \\in BC(5, 2)$'' l\u00e0 <b> SAI <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":3}]}],"id_ques":667},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/4.jpg' \/><\/center> <br\/> Trong c\u00e1c kh\u1eb3ng \u0111\u1ecbnh sau kh\u1eb3ng \u0111\u1ecbnh n\u00e0o \u0111\u00fang? ","select":["A. $20 \\in BC(2, 5)$","B. $18 \\in BC(3; 7)$","C. $20 \\in BC(5, 6)$"],"hint":"X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c x $\\in BC(a, b)$ n\u1ebfu x $\\vdots$ a v\u00e0 x $\\vdots$ b","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec x $\\in BC(a, b)$ n\u1ebfu x $\\vdots$ a v\u00e0 x $\\vdots$ b <br\/> A - V\u00ec 20 $ \\vdots$ 2 v\u00e0 20 $ \\vdots$ 5 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$20 \\in BC(2, 5)$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> B - V\u00ec 18 $ \\vdots$ 3 nh\u01b0ng 18 $\\not \\vdots$ 7 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$18 \\in BC(3, 7)$'' l\u00e0 <b> SAI <\/b> <br\/> C - V\u00ec 20 $\\vdots$ 5 nh\u01b0ng 20 $\\not \\vdots$ 6 $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$20 \\in BC(5, 6)$'' l\u00e0 <b> SAI <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":3}]}],"id_ques":668},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/10.jpg' \/><\/center> <br\/> Cho t\u1eadp h\u1ee3p A = {2; 4; 6; 8}; B = {2; 3; 6; 7} <br\/> H\u00e3y t\u00ecm t\u1eadp h\u1ee3p C = $A \\cap B$","select":["A. C = {2; 3}","B. C = {2; 6}","C. C = {6; 7}","D. C = {4; 7}"],"hint":"C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ven \u0111\u1ec3 t\u00ecm giao c\u1ee7a hai t\u1eadp h\u1ee3p","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n, n\u1ebfu m\u1ecdi ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p C \u0111\u1ec1u thu\u1ed9c t\u1eadp h\u1ee3p A v\u00e0 thu\u1ed9c t\u1eadp h\u1ee3p B th\u00ec C = $A \\cap B$ <br\/> <b> C\u00e1ch 2: <\/b> T\u00ecm C = $A \\cap B$ b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ven <br\/> Sau \u0111\u00f3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec A = {2; 4; 6; 8} v\u00e0 B = {2; 3; 6; 7} <br\/> Ta c\u00f3 s\u01a1 \u0111\u1ed3: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/D6114_D101.png' \/><\/center> <br\/> Nh\u00ecn v\u00e0o s\u01a1 \u0111\u1ed3 ta c\u00f3 C = $A \\cap B$ = {2; 6} <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: C = {2; 6} <\/span> ","column":2}]}],"id_ques":669},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/10.jpg' \/><\/center> <br\/> Cho t\u1eadp h\u1ee3p A = {8; 5; a; 11}; B = {a; 7; 4; 5} <br\/> H\u00e3y t\u00ecm t\u1eadp h\u1ee3p C = $A \\cap B$","select":["A. C = {5; 7}","B. C = {8; a}","C. C = {5; a}","D. C = {a; 11}"],"hint":"C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ven \u0111\u1ec3 t\u00ecm giao c\u1ee7a hai t\u1eadp h\u1ee3p","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n, n\u1ebfu m\u1ecdi ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p C \u0111\u1ec1u thu\u1ed9c t\u1eadp h\u1ee3p A v\u00e0 thu\u1ed9c t\u1eadp h\u1ee3p B th\u00ec C = $A \\cap B$ <br\/> <b> C\u00e1ch 2: <\/b> T\u00ecm C = $A \\cap B$ b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ven <br\/> Sau \u0111\u00f3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec A = {8; 5; a; 11} v\u00e0 B = {a; 7; 4; 5} <br\/> Ta c\u00f3 s\u01a1 \u0111\u1ed3: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/D6114_D102.png' \/><\/center> <br\/> Nh\u00ecn v\u00e0o s\u01a1 \u0111\u1ed3 ta c\u00f3 C = $A \\cap B$ = {a; 5} <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: C = {a; 5} <\/span> ","column":2}]}],"id_ques":670},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/2.jpg' \/><\/center> <br\/> Cho X l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 12 <br\/> Y l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 16 <br\/> V\u1eady $X \\cap Y$ bi\u1ec3u th\u1ecb t\u1eadp h\u1ee3p n\u00e0o sau \u0111\u00e2y?","select":["A. $X \\cap Y = \\left\\{ 1; 2; 4\\right\\}$","B. $X \\cap Y = \\left\\{ 2; 4; 6\\right\\}$","C. $X \\cap Y = \\left\\{ 2; 6; 8\\right\\}$"],"hint":"T\u00ecm t\u1eadp h\u1ee3p X, t\u1eadp h\u1ee3p Y r\u1ed3i t\u00ecm giao c\u1ee7a hai t\u1eadp h\u1ee3p","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ecm t\u1eadp h\u1ee3p X v\u00e0 t\u1eadp h\u1ee3p Y <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm giao c\u1ee7a hai t\u1eadp h\u1ee3p X v\u00e0 Y (c\u00f3 th\u1ec3 d\u00f9ng s\u01a1 \u0111\u1ed3 ven) <br\/> Nh\u1eefng ph\u1ea7n t\u1eed n\u00e0o thu\u1ed9c t\u1eadp h\u1ee3p X v\u00e0 thu\u1ed9c t\u1eadp h\u1ee3p Y th\u00ec thu\u1ed9c t\u1eadp $X \\cap Y$ <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> G\u1ecdi t\u1eadp h\u1ee3p M = $X \\cap Y$ <br\/> Ta c\u00f3: X = \u01af(12) = {1; 2; 3; 4; 6; 12} <br\/> Y = \u01af(16) = {1; 2; 4; 8; 16} <br\/> Ta c\u00f3 s\u01a1 \u0111\u1ed3: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/D6114_D103.png' \/><\/center> <br\/> Nh\u00ecn v\u00e0o s\u01a1 \u0111\u1ed3 ta th\u1ea5y M = {1; 2; 4} <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":3}]}],"id_ques":671},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/2.jpg' \/><\/center> <br\/> Cho X l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh th\u00edch m\u00f4n V\u00f5 <br\/> Y l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh th\u00edch m\u00f4n V\u1ebd <br\/> V\u1eady $X \\cap Y$ bi\u1ec3u th\u1ecb t\u1eadp h\u1ee3p n\u00e0o sau \u0111\u00e2y?","select":["A. T\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh th\u00edch m\u00f4n V\u1ebd","B. T\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh th\u00edch c\u1ea3 hai m\u00f4n","C. T\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh th\u00edch m\u00f4n V\u00f5"],"hint":"","explain":" <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> G\u1ecdi t\u1eadp h\u1ee3p M = $X \\cap Y$ <br\/> V\u00ec M = $X \\cap Y$ m\u00e0 X l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh th\u00edch m\u00f4n V\u00f5 <br\/> Y l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh th\u00edch m\u00f4n V\u1ebd <br\/> N\u00ean t\u1eadp h\u1ee3p M g\u1ed3m c\u00e1c h\u1ecdc sinh th\u00edch c\u1ea3 2 m\u00f4n V\u00f5 v\u00e0 V\u1ebd <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":3}]}],"id_ques":672},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["1"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/7.jpg' \/><\/center> <br\/>\u01af\u1edbc chung c\u1ee7a 3 v\u00e0 5 l\u00e0: = _input_ ","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>T\u00ecm \u01b0\u1edbc c\u1ee7a 3 v\u00e0 \u01b0\u1edbc c\u1ee7a 5 sau \u0111\u00f3 t\u00ecm \u01b0\u1edbc chung<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> 3 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 3 <br\/> 5 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 5 <br\/> V\u1eady 3 v\u00e0 5 ch\u1ec9 c\u00f3 1 l\u00e0 \u01b0\u1edbc chung <br\/> <span class='basic_pink'> S\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 1 <\/span> <br\/> <span class='basic_green'><i> L\u01b0u \u00fd: C\u00e1c s\u1ed1 ch\u1ec9 c\u00f3 \u01b0\u1edbc chung l\u00e0 1 th\u00ec \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nguy\u00ean t\u1ed1 c\u00f9ng nhau <\/i> <\/span> "}]}],"id_ques":673},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["1"],["2"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/7.jpg' \/><\/center> <br\/>\u01af\u1edbc chung c\u1ee7a 2 v\u00e0 4 l\u00e0: = _input_; _input_ <br\/>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>T\u00ecm \u01b0\u1edbc c\u1ee7a 2 v\u00e0 \u01b0\u1edbc c\u1ee7a 4 sau \u0111\u00f3 t\u00ecm \u01b0\u1edbc chung<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> 2 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 2 <br\/> 4 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 2; 4 <br\/> V\u1eady 2 v\u00e0 4 ch\u1ec9 c\u00f3 2 l\u00e0 \u01b0\u1edbc chung l\u00e0: 1; 2 <br\/> <span class='basic_pink'> C\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 1; 2 <\/span>"}]}],"id_ques":674},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/12.jpg' \/><\/center> <br\/> 108 l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 18. <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b> ?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t th\u01b0\u01a1ng 108 : 12 v\u00e0 108 : 18 <br\/> N\u1ebfu 108 $\\vdots$ 12 v\u00e0 108 $\\vdots$ 18 th\u00ec 108 l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 18<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> V\u00ec 108 : 12 = 9 v\u00e0 108 : 18 = 6 <br\/> $\\Rightarrow$ 108 $\\vdots$ 12 v\u00e0 108 $\\vdots$ 18 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh \"108 l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 18 l\u00e0\" <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":675},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/12.jpg' \/><\/center> <br\/> 259 l\u00e0 b\u1ed9i chung c\u1ee7a 5 v\u00e0 37. <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b> ?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t th\u01b0\u01a1ng 259 : 37 v\u00e0 259 : 5 <br\/> N\u1ebfu 259 $\\vdots$ 5 v\u00e0 259 $\\vdots$ 37 th\u00ec 259 l\u00e0 b\u1ed9i chung c\u1ee7a 5 v\u00e0 37<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> V\u00ec 259 : 5 = 51 d\u01b0 4 v\u00e0 259 : 37 = 7 <br\/> $\\Rightarrow$ 259 $\\not \\vdots$ 5 nh\u01b0ng 259 $\\vdots$ 37 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh \"259 l\u00e0 b\u1ed9i chung c\u1ee7a 5 v\u00e0 37 l\u00e0\" <b> SAI <\/b> ","column":2}]}],"id_ques":676},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/2.jpg' \/><\/center> <br\/> Trong c\u00e1c s\u1ed1 sau, h\u00e3y ch\u1ecdn \u01b0\u1edbc chung c\u1ee7a 40 v\u00e0 100.","select":["A. 20","B. 40","C. 8","D. 15"],"hint":"Ta \u0111i t\u00ecm s\u1ed1 m\u00e0 c\u1ea3 40 v\u00e0 100 \u0111\u1ec1u chia h\u1ebft","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n n\u1ebfu c\u1ea3 40 v\u00e0 100 \u0111\u1ec1u chia h\u1ebft cho 1 trong 4 s\u1ed1 20; 40; 8; 15 th\u00ec s\u1ed1 \u0111\u00f3 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 40 v\u00e0 100 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> A - V\u00ec 40 $\\vdots$ 20 v\u00e0 100 $\\vdots$ 20 <br\/> $\\Rightarrow$ <b> 20 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 40 v\u00e0 100 <\/b> <br\/> B - V\u00ec 40 $\\vdots$ 40 nh\u01b0ng 100 $\\not \\vdots$ 40 <br\/> $\\Rightarrow$ 40 kh\u00f4ng ph\u1ea3i l\u00e0 \u01b0\u1edbc chung c\u1ee7a 40 v\u00e0 100 <br\/> C - V\u00ec 40 $\\vdots$ 8 nh\u01b0ng 100 $\\not \\vdots$ 8 <br\/> $\\Rightarrow$ 8 kh\u00f4ng ph\u1ea3i \u01b0\u1edbc chung c\u1ee7a 40 v\u00e0 100 <br\/> D - V\u00ec 40 $\\not \\vdots$ 15 v\u00e0 100 $\\not \\vdots$ 15 <br\/> $\\Rightarrow$ 15 kh\u00f4ng ph\u1ea3i \u01b0\u1edbc chung c\u1ee7a 40 v\u00e0 100 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. 20<\/span> ","column":4}]}],"id_ques":677},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/2.jpg' \/><\/center> <br\/> Trong c\u00e1c s\u1ed1 sau, h\u00e3y ch\u1ecdn \u01b0\u1edbc chung c\u1ee7a 25 v\u00e0 70.","select":["A. 2","B. 5","C. 7","D. 10"],"hint":"Ta \u0111i t\u00ecm s\u1ed1 m\u00e0 c\u1ea3 25 v\u00e0 70 \u0111\u1ec1u chia h\u1ebft","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n n\u1ebfu c\u1ea3 25 v\u00e0 70 \u0111\u1ec1u chia h\u1ebft cho 1 trong 4 s\u1ed1 2; 5; 7; 10 th\u00ec s\u1ed1 \u0111\u00f3 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 25 v\u00e0 70 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> A - V\u00ec 25 $\\not \\vdots$ 2 nh\u01b0ng 70 $\\vdots$ 2 <br\/> $\\Rightarrow$ 2 kh\u00f4ng ph\u1ea3i l\u00e0 \u01b0\u1edbc chung c\u1ee7a 25 v\u00e0 70 <br\/> B - V\u00ec 25 $\\vdots$ 5 v\u00e0 70 $ \\vdots$ 5 <br\/> $\\Rightarrow$ <b> 5 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 25 v\u00e0 70 <\/b> <br\/> C - V\u00ec 25 $\\not \\vdots$ 7 nh\u01b0ng 70 $ \\vdots$ 7 <br\/> $\\Rightarrow$ 7 kh\u00f4ng ph\u1ea3i \u01b0\u1edbc chung c\u1ee7a 25 v\u00e0 70 <br\/> D - V\u00ec 25 $\\not \\vdots$ 10 nh\u01b0ng 700 $ \\vdots$ 10 <br\/> $\\Rightarrow$ 10 kh\u00f4ng ph\u1ea3i \u01b0\u1edbc chung c\u1ee7a 25 v\u00e0 70 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. 5<\/span> ","column":4}]}],"id_ques":678},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/10.jpg' \/><\/center> <br\/> Trong c\u00e1c s\u1ed1 sau, h\u00e3y ch\u1ecdn b\u1ed9i chung c\u1ee7a 12 v\u00e0 20.","select":["A. 30","B.70","C. 60","D. 42"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n n\u1ebfu s\u1ed1 \u0111\u00f3 \u0111\u1ed3ng th\u1eddi chia h\u1ebft cho 12 v\u00e0 20 th\u00ec s\u1ed1 \u0111\u00f3 l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 20 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> A - V\u00ec 30 $\\not \\vdots$ 12 v\u00e0 30 $\\not \\vdots$ 20 <br\/> $\\Rightarrow$ 30 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 20 <br\/> B - V\u00ec 70 $\\not \\vdots$ 12 v\u00e0 70 $\\not \\vdots$ 20 <br\/> $\\Rightarrow$ 70 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 20 <\/b> <br\/> C - V\u00ec 60 $ \\vdots$ 12 v\u00e0 60 $ \\vdots$ 20 <br\/> $\\Rightarrow$ <b> 60 l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 20 <\/b> <br\/> D - V\u00ec 42 $\\not \\vdots$ 12 v\u00e0 42 $ \\not \\vdots$ 20 <br\/> $\\Rightarrow$ 42 kh\u00f4ng ph\u1ea3i b\u1ed9i chung c\u1ee7a 12 v\u00e0 20 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. 60<\/span> ","column":4}]}],"id_ques":679},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv1/img\/10.jpg' \/><\/center> <br\/> Trong c\u00e1c s\u1ed1 sau, h\u00e3y ch\u1ecdn b\u1ed9i chung c\u1ee7a 11 v\u00e0 32.","select":["A. 352","B. 480","C. 264","D. 319"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n n\u1ebfu s\u1ed1 \u0111\u00f3 \u0111\u1ed3ng th\u1eddi chia h\u1ebft cho 11 v\u00e0 32 th\u00ec s\u1ed1 \u0111\u00f3 l\u00e0 b\u1ed9i chung c\u1ee7a 11 v\u00e0 32 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> A - V\u00ec 352 $ \\vdots$ 11 v\u00e0 352 $ \\vdots$ 32 <br\/> $\\Rightarrow$ <b> 352 l\u00e0 b\u1ed9i chung c\u1ee7a 11 v\u00e0 32 <\/b> <br\/> B - V\u00ec 480 $\\not \\vdots$ 11 nh\u01b0ng 480 $ \\vdots$ 32 <br\/> $\\Rightarrow$ 480 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i chung c\u1ee7a 11 v\u00e0 32 <\/b> <br\/> C - V\u00ec 264 $ \\vdots$ 11 nh\u01b0ng 264 $\\not \\vdots$ 32 <br\/> $\\Rightarrow$ 264 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i chung c\u1ee7a 11 v\u00e0 32 <br\/> D - V\u00ec 319 $ \\vdots$ 11 nh\u01b0ng $ \\not \\vdots$ 32 <br\/> $\\Rightarrow$ 319 kh\u00f4ng ph\u1ea3i b\u1ed9i chung c\u1ee7a 11 v\u00e0 32 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. 352 <\/span> ","column":4}]}],"id_ques":680}],"lesson":{"save":0,"level":1}}