{"segment":[{"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 C = {10; 20; 30;...; 300}. <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang:","select":["A. $ 320 \\in C$ ","B. T\u1eadp h\u1ee3p C c\u00f3 30 ph\u1ea7n t\u1eed ","C. {20; 30} $\\in C$ ","D. T\u1eadp h\u1ee3p C c\u00f3 4 ph\u1ea7n t\u1eed "],"hint":"X\u00e9t t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p sau \u0111\u00f3 x\u00e9t t\u1eebng \u0111\u00e1p \u00e1n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> V\u00ec t\u1eadp h\u1ee3p C g\u1ed3m c\u00e1c ph\u1ea7n t\u1eed c\u00e1ch nhau 10 \u0111\u01a1n v\u1ecb, ph\u1ea7n t\u1eed nh\u1ecf nh\u1ea5t l\u00e0 10, ph\u1ea7n t\u1eed l\u1edbn nh\u1ea5t l\u00e0 300 <br\/> N\u00ean \u0111\u00e1p \u00e1n A sai <br\/> X\u00e9t c\u00e1c \u0111\u00e1p \u00e1n B, C, D xem \u0111\u00e1p \u00e1n n\u00e0o \u0111\u00fang<br\/> T\u1eadp h\u1ee3p C g\u1ed3m c\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c kh\u00f4ng nh\u1ecf h\u01a1n 10 v\u00e0 kh\u00f4ng l\u1edbn h\u01a1n 300<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> Nh\u1eadn x\u00e9t: T\u1eadp h\u1ee3p A g\u1ed3m c\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c t\u1eeb 10 \u0111\u1ebfn 300 <br\/>A - Kh\u1eb3ng \u0111\u1ecbnh $ 320 \\in C$ l\u00e0 <b> SAI <\/b> v\u00ec 320 > 300 <br\/> B - Kh\u1eb1ng \u0111\u1ecbnh ''T\u1eadp h\u1ee3p C c\u00f3 30 ph\u1ea7n t\u1eed'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/>V\u00ec s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p C l\u00e0: (300 - 10) : 10 + 1 = 30 ph\u1ea7n t\u1eed <br\/> C - Kh\u1eb3ng \u0111\u1ecbnh {20; 30} $\\in A$ l\u00e0 <b> SAI <\/b> <br\/> V\u00ec k\u00ed hi\u1ec7u ''$\\in$'' ch\u1ec9 ph\u1ea7n t\u1eed n\u00e0o \u0111\u00f3 thu\u1ed9c 1 t\u1eadp h\u1ee3p ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 t\u1eadp n\u00e0y thu\u1ed9c t\u1eadp kia<br\/> D - Kh\u1eb3ng \u0111\u1ecbnh ''T\u1eadp h\u1ee3p C c\u00f3 4 ph\u1ea7n t\u1eed'' l\u00e0 <b> SAI <\/b> <br\/> V\u00ec trong t\u1eadp h\u1ee3p C c\u00f3 ph\u1ea7n t\u1eed 30 ph\u1ea7n t\u1eed<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span>","column":2}]}],"id_ques":121},{"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 t\u1eadp h\u1ee3p D = {5; 10; 15; 20;...; 80}. <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang:","select":["A. $30 \\in D$ ","B. $ 42 \\in D$ ","C. T\u1eadp h\u1ee3p D c\u00f3 5 ph\u1ea7n t\u1eed ","D. $37 \\in D$ "],"hint":"X\u00e9t t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p sau \u0111\u00f3 x\u00e9t t\u1eebng \u0111\u00e1p \u00e1n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> M\u1ed9t ph\u1ea7n t\u1eed ch\u1ec9 c\u00f3 $\\in$ ho\u1eb7c $\\notin$ t\u1eadp h\u1ee3p kia <br\/> C\u00f2n 1 t\u1eadp h\u1ee3p th\u00ec ho\u1eb7c $\\subset$ ho\u1eb7c $\\not\\subset$ t\u1eadp h\u1ee3p kia <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh B sai ta ch\u1ec9 x\u00e9t kh\u1eb3ng \u0111\u1ecbnh A, C v\u00e0 D <br\/> T\u1eadp h\u1ee3p D g\u1ed3m c\u00e1c s\u1ed1 chia h\u1ebft cho 5 kh\u00f4ng nh\u1ecf h\u01a1n 5 v\u00e0 kh\u00f4ng l\u1edbn h\u01a1n 80<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/>Nh\u1eadn x\u00e9t: T\u1eadp h\u1ee3p D g\u1ed3m c\u00e1c s\u1ed1 chia h\u1ebft cho 5 kh\u00f4ng nh\u1ecf h\u01a1n 5 v\u00e0 kh\u00f4ng l\u1edbn h\u01a1n 80<br\/> A - Kh\u1eb3ng \u0111\u1ecbnh $30 \\in D$ l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> V\u00ec 30 chia h\u1ebft cho 5 v\u00e0 5 < 30 < 80<br\/> B - Kh\u1eb1ng \u0111\u1ecbnh ''42 $\\in D$'' l\u00e0 <b> SAI <\/b> <br\/>V\u00ec 42 kh\u00f4ng chia h\u1ebft cho 5<br\/> C - Kh\u1eb3ng \u0111\u1ecbnh ''t\u1eadp h\u1ee3p D c\u00f3 5 ph\u1ea7n t\u1eed'' l\u00e0 <b> SAI <\/b> <br\/> V\u00ec s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p D l\u00e0: (80 - 5) : 5 + 1 =16 ph\u1ea7n t\u1eed<br\/> D - Kh\u1eb3ng \u0111\u1ecbnh ''37 $\\in D$'' l\u00e0 <b> SAI <\/b> <br\/> V\u00ec 37 kh\u00f4ng chia h\u1ebft cho 5<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span>","column":2}]}],"id_ques":122},{"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 G = {3; 6; 9; 12;...; 48}. <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang:","select":["A. $35 \\in G$ ","B. {47} $\\subset G$ ","C. $27 \\in G$ ","D. T\u1eadp h\u1ee3p G g\u1ed3m 48 ph\u1ea7n t\u1eed "],"hint":"X\u00e9t t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p sau \u0111\u00f3 x\u00e9t t\u1eebng \u0111\u00e1p \u00e1n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Ta th\u1ea5y t\u1eadp h\u1ee3p G g\u1ed3m c\u00e1c s\u1ed1 chia h\u1ebft cho 3 kh\u00f4ng nh\u1ecf h\u01a1n 3 v\u00e0 kh\u00f4ng l\u1edbn h\u01a1n 48<br\/> D\u1ef1a v\u00e0o t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p \u0111\u1ec3 x\u00e9t xem \u0111\u00e1p \u00e1n n\u00e0o \u0111\u00fang <br\/> S\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p b\u1eb1ng (s\u1ed1 cu\u1ed1i - s\u1ed1 \u0111\u1ea7u) : kho\u1ea3ng c\u00e1ch + 1<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/>Nh\u1eadn x\u00e9t: Ta th\u1ea5y t\u1eadp h\u1ee3p G g\u1ed3m c\u00e1c s\u1ed1 chia h\u1ebft cho 3 kh\u00f4ng nh\u1ecf h\u01a1n 3 v\u00e0 kh\u00f4ng l\u1edbn h\u01a1n 48<br\/> A - Kh\u1eb3ng \u0111\u1ecbnh $35 \\in G$ l\u00e0 <b> SAI <\/b> <br\/> V\u00ec 35 kh\u00f4ng chia h\u1ebft cho 3<br\/> B - Kh\u1eb1ng \u0111\u1ecbnh ''{47} $\\subset G$'' l\u00e0 <b> SAI <\/b> <br\/>V\u00ec 47 kh\u00f4ng chia h\u1ebft cho 3<br\/> C - Kh\u1eb3ng \u0111\u1ecbnh ''$27 \\in G$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> V\u00ec 27 chia h\u1ebft cho 3 v\u00e0 3 < 27 < 48 <br\/> D - Kh\u1eb3ng \u0111\u1ecbnh ''T\u1eadp h\u1ee3p G c\u00f3 48 ph\u1ea7n t\u1eed'' l\u00e0 <b> SAI <\/b> <br\/> V\u00ec s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p G l\u00e0: (48 - 3) : 3 + 1 = 16 ph\u1ea7n t\u1eed<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}],"id_ques":123},{"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 hai t\u1eadp h\u1ee3p: $A = \\left\\{ x \\in \\mathbb {N}^ {*}| x < 6\\right\\}<br\/>$; B = {x; y} <br\/> Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 bao nhi\u00eau t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp h\u1ee3p g\u1ed3m 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B","select":["A. 8 ","B. 9 ","C. 10","D. 12"],"hint":"Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp t\u1eadp l\u1ea5y 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Vi\u1ebft t\u1eadp h\u1ee3p A d\u01b0\u1edbi d\u1ea1ng li\u1ec7t k\u00ea ph\u1ea7n t\u1eed <br\/> Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp h\u1ee3p l\u1ea5y 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B <br\/> \u0110\u1ebfm s\u1ed1 l\u01b0\u1ee3ng t\u1eadp h\u1ee3p<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> Ta c\u00f3: A = {1; 2; 3; 4; 5}<br\/> Ta vi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c t\u1eadp h\u1ee3p m\u00e0 m\u1ed7i t\u1eadp h\u1ee3p g\u1ed3m 1 ph\u1ea7n t\u1eed thu\u1ed9c A, m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c B nh\u01b0 sau: <br\/> {1; x}, {2; x}, {3; x}, {4; x}, {5; x}, {1; y}, {2; y}, {3; y}, {4; y}, {5; y} <br\/> V\u1eady ta vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 10 t\u1eadp h\u1ee3p<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<br\/><\/span> <span class='basic_green'>Nh\u1eadn x\u00e9t: <i> Cho t\u1eadp h\u1ee3p A c\u00f3 n ph\u1ea7n t\u1eed, t\u1eadp h\u1ee3p B c\u00f3 m ph\u1ea7n t\u1eed. C\u00f3 n.m t\u1eadp h\u1ee3p m\u00e0 m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p A, m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p B <\/i><\/span>","column":2}]}],"id_ques":124},{"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 hai t\u1eadp h\u1ee3p: $A = \\left\\{ x \\in \\mathbb {N}| 18 \\leq x \\leq 20\\right\\}$<br\/>; B = {m; n; p; q} <br\/> Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 bao nhi\u00eau t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp h\u1ee3p g\u1ed3m 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B","select":["A. 11 ","B. 12","C. 13","D. 14"],"hint":"Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp t\u1eadp l\u1ea5y 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Vi\u1ebft t\u1eadp h\u1ee3p A d\u01b0\u1edbi d\u1ea1ng li\u1ec7t k\u00ea ph\u1ea7n t\u1eed <br\/> \u0110\u1ebfm s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p A <br\/> C\u00f3 n.m t\u1eadp h\u1ee3p m\u00e0 m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p A, m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p B <br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> Ta c\u00f3: A = {18; 19; 20}<br\/> V\u00ec t\u1eadp h\u1ee3p A c\u00f3 3 ph\u1ea7n t\u1eed, t\u1eadp h\u1ee3p B c\u00f3 4 ph\u1ea7n t\u1eed <br\/> N\u00ean c\u00f3 4 . 3 = 12 t\u1eadp h\u1ee3p m\u00e0 m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p A v\u00e0 m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p B <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<br\/><\/span>","column":2}]}],"id_ques":125},{"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 hai t\u1eadp h\u1ee3p: $A = \\left\\{ x \\in \\mathbb {N}| 30 < x < 40 \\right\\}$<br\/>; B = {c; d} <br\/> Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 bao nhi\u00eau t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp h\u1ee3p g\u1ed3m 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B","select":["A. 14 ","B. 16","C. 18","D. 20"],"hint":"Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp t\u1eadp l\u1ea5y 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Vi\u1ebft t\u1eadp h\u1ee3p A d\u01b0\u1edbi d\u1ea1ng li\u1ec7t k\u00ea ph\u1ea7n t\u1eed <br\/> <span class='basic_green'>C\u00e1ch 1:<\/span> <br\/>Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p m\u1ed7i t\u1eadp h\u1ee3p l\u1ea5y 1 ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 1 ph\u1ea7n t\u1eed thu\u1ed9c B <br\/> \u0110\u1ebfm s\u1ed1 l\u01b0\u1ee3ng t\u1eadp h\u1ee3p<br\/><span class='basic_green'>C\u00e1ch 2:<\/span> T\u1eadp h\u1ee3p A c\u00f3 n ph\u1ea7n t\u1eed, t\u1eadp h\u1ee3p B c\u00f3 m ph\u1ea7n t\u1eed <br\/>Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 m.n t\u1eadp h\u1ee3p m\u00e0 m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c A m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c B <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1ch 2:<br\/> Ta c\u00f3: A = {31; 32; 33; 34; 35; 36; 37; 38; 39} <br\/> Ta th\u1ea5y t\u1eadp h\u1ee3p A c\u00f3 9 ph\u1ea7n t\u1eed, t\u1eadp h\u1ee3p B c\u00f3 2 ph\u1ea7n t\u1eed <br\/>Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 s\u1ed1 t\u1eadp h\u1ee3p m\u00e0 m\u1ed7i t\u1eadp h\u1ee3p g\u1ed3m 1 ph\u1ea7n t\u1eed thu\u1ed9c A m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c B l\u00e0: 9. 2 = 18 t\u1eadp h\u1ee3p <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<br\/><\/span> <span class='basic_green'>Nh\u1eadn x\u00e9t: <i> Cho t\u1eadp h\u1ee3p A c\u00f3 n ph\u1ea7n t\u1eed, t\u1eadp h\u1ee3p B c\u00f3 m ph\u1ea7n t\u1eed. C\u00f3 n.m t\u1eadp h\u1ee3p m\u00e0 m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p A, m\u1ed9t ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p B <\/i><\/span>","column":2}]}],"id_ques":126},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Cho 3 s\u1ed1 t\u1ef1 nhi\u00ean 4; 5; 6. T\u1eadp h\u1ee3p C g\u1ed3m c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 hai ch\u1eef s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c t\u1eeb 3 s\u1ed1 tr\u00ean<br\/> V\u1eady t\u1eadp h\u1ee3p C g\u1ed3m:","select":["A. 5 ph\u1ea7n t\u1eed ","B. 6 ph\u1ea7n t\u1eed ","C. 8 ph\u1ea7n t\u1eed ","D. 9 ph\u1ea7n t\u1eed "],"hint":"Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 bao nhi\u00eau s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 t\u1eeb 3 s\u1ed1 4; 5; 6","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Vi\u1ebft c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 t\u1eeb 2 s\u1ed1 4; 5; 6 <br\/> S\u1ed1 l\u01b0\u1ee3ng s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c ch\u00ednh l\u00e0 s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p <\/span><br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> Vi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 t\u1eeb 3 s\u1ed1 4; 5; 6 l\u00e0: 45; 46; 44; 55; 54; 56; 66; 65; 64 <br\/> Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 9 s\u1ed1 n\u00ean t\u1eadp h\u1ee3p C c\u00f3 9 ph\u1ea7n t\u1eed <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":127},{"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 3 s\u1ed1 t\u1ef1 nhi\u00ean 7; 8; 0. T\u1eadp h\u1ee3p D g\u1ed3m c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 ba ch\u1eef s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c t\u1eeb 3 s\u1ed1 tr\u00ean<br\/> V\u1eady t\u1eadp h\u1ee3p D g\u1ed3m:","select":["A. 12 ph\u1ea7n t\u1eed ","B. 15 ph\u1ea7n t\u1eed ","C. 18 ph\u1ea7n t\u1eed ","D. 10 ph\u1ea7n t\u1eed "],"hint":"Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 bao nhi\u00eau s\u1ed1 c\u00f3 ba ch\u1eef s\u1ed1 t\u1eeb 3 s\u1ed1 7; 8; 0","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Vi\u1ebft c\u00e1c s\u1ed1 c\u00f3 ba ch\u1eef s\u1ed1 t\u1eeb 3 s\u1ed1 7; 8; 0 <br\/> S\u1ed1 l\u01b0\u1ee3ng s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c ch\u00ednh l\u00e0 s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p D<\/span><br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> Ta c\u00f3 2 c\u00e1ch \u0111\u1ec3 l\u1ea5y ch\u1eef s\u1ed1 h\u00e0ng tr\u0103m l\u00e0 7 v\u00e0 8 <br\/> C\u00f3 3 c\u00e1ch ch\u1ecdn ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c l\u00e0: 7; 8; 0 <br\/> C\u00f3 3 c\u00e1ch ch\u1ecdn ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb l\u00e0: 7; 8; 0<br\/> Vi\u1ebft \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 2.3.3 = 18 s\u1ed1 c\u00f3 3 ch\u1eef s\u1ed1 t\u1eeb 3 s\u1ed1 7; 8; 0 <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}],"id_ques":128},{"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: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai3/lv2/img\/D613_TB201.png' \/><\/center> <br\/>C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p P v\u00e0 t\u1eadp h\u1ee3p Q l\u00e0:","select":["A. {z; a; c} ","B. $\\varnothing$ ","C. {a; b; z} ","D. {b; x} "],"hint":"C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p P v\u00e0 t\u1eadp h\u1ee3p Q ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong ph\u1ea7n giao nhau c\u1ee7a hai v\u00f2ng tr\u00f2n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c c\u1ea3 hai t\u1eadp h\u1ee3p ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong ph\u1ea7n giao nhau c\u1ee7a hai v\u00f2ng tr\u00f2n<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c P v\u00e0 Q ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong ph\u1ea7n h\u00ecnh m\u00e0u v\u00e0ng <br\/><center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai3/lv2/img\/D613_TB2011.png' \/><\/center><br\/> C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c P v\u00e0 thu\u1ed9c Q l\u00e0: a; b; z <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}],"id_ques":129},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai3/lv2/img\/D613_TB202.png' \/><\/center> <br\/>C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p A v\u00e0 t\u1eadp h\u1ee3p B l\u00e0:","select":["A. {g\u00e0} ","B. {7; 943} ","C. {359; d; th\u1ecf} ","D. {359; d; 7} "],"hint":"C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p A v\u00e0 t\u1eadp h\u1ee3p B ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong ph\u1ea7n giao nhau c\u1ee7a hai v\u00f2ng tr\u00f2n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c c\u1ea3 hai t\u1eadp h\u1ee3p ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong ph\u1ea7n giao nhau c\u1ee7a hai v\u00f2ng tr\u00f2n<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 B ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong ph\u1ea7n h\u00ecnh m\u00e0u xanh l\u00e1 c\u00e2y <br\/><center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai3/lv2/img\/D613_TB2021.png' \/><\/center><br\/> C\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c A v\u00e0 thu\u1ed9c B l\u00e0: 359; 7; z <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":130},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Cho t\u1eadp h\u1ee3p A = {a; b; c; d} <br\/> S\u1ed1 t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a A l\u00e0:","select":["A. 3 ","B. 4 ","C. 5 ","D. 6 "],"hint":"Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a A","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a A<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1c t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a A l\u00e0: {a; b}, {a; c}, {a; d}, { b; c}, {b; d}, {c; d} <br\/> V\u1eady M c\u00f3 t\u1ea5t c\u1ea3 6 t\u1eadp h\u1ee3p con m\u00e0 m\u1ed7i t\u1eadp h\u1ee3p c\u00f3 2 ph\u1ea7n t\u1eed<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span> ","column":2}]}],"id_ques":131},{"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 t\u1eadp h\u1ee3p M = {1; 2; 3} <br\/> S\u1ed1 t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a M l\u00e0:","select":["A. 3 ","B. 2 ","C. 5 ","D. 4"],"hint":"Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a M","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Li\u1ec7t k\u00ea c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a M<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1c t\u1eadp h\u1ee3p con c\u00f3 2 ph\u1ea7n t\u1eed c\u1ee7a M l\u00e0: {1; 2}, {1; 3}, {2; 3}<br\/> V\u1eady M c\u00f3 t\u1ea5t c\u1ea3 3 t\u1eadp h\u1ee3p con m\u00e0 m\u1ed7i t\u1eadp h\u1ee3p c\u00f3 2 ph\u1ea7n t\u1eed<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span> ","column":2}]}],"id_ques":132},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean l\u1ebb nh\u1ecf h\u01a1n 14 \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng t\u1eadp h\u1ee3p l\u00e0:","select":["A. A = {0; 1; 3; 5; 7; 9; 13; 11} ","B. A = {1; 5; 7; 9; 12; 13} ","C. A = {1; 3; 5; 8; 11; 13} ","D. A = {1; 5; 3; 7; 9; 11; 13}"],"hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 l\u1ebb nh\u1ecf h\u01a1n 14 v\u00e0 \u0111\u1ed1i chi\u1ebfu c\u00e1c \u0111\u00e1p \u00e1n","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 t\u1ef1 nhi\u00ean l\u1ebb nh\u1ecf h\u01a1n 14 v\u00e0 \u0111\u1ed1i chi\u1ebfu c\u00e1c \u0111\u00e1p \u00e1n<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean l\u1ebb nh\u1ecf h\u01a1n 14 l\u00e0: 1; 3; 5; 7; 9; 11; 13 <br\/> A - Kh\u1eb3ng \u0111\u1ecbnh '' A = {0; 1; 3; 5; 7; 9; 13; 11}'' l\u00e0 <b> SAI <\/b> v\u00ec 0 kh\u00f4ng ph\u1ea3i s\u1ed1 l\u1ebb <br\/> B - Kh\u1eb3ng \u0111\u1ecbnh ''A = {1; 5; 7; 9; 12; 13}'' l\u00e0 <b> SAI <\/b> v\u00ec 12 kh\u00f4ng ph\u1ea3i s\u1ed1 l\u1ebb <br\/> C - Kh\u1eb3ng \u0111\u1ecbnh ''A = {1; 3; 5; 8; 11; 13}'' l\u00e0 <b> SAI <\/b> v\u00ec 8 kh\u00f4ng ph\u1ea3i s\u1ed1 l\u1ebb <br\/> D -Kh\u1eb3ng \u0111\u1ecbnh ''A = {1; 5; 3; 7; 9; 11; 13}'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":133},{"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":"C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean tr\u00f2n ch\u1ee5c c\u00f3 hai ch\u1eef s\u1ed1 \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng t\u1eadp h\u1ee3p l\u00e0:","select":["A. M = {10; 20; 35; 40; 50; 60; 70; 80; 90} ","B. M = {10; 20; 30; 40; 49; 60; 70; 80; 90} ","C. $M = \\left\\{ \\overline{a0}, a \\in \\mathbb{N^*} \\right\\}$ ","D. M = {10; 20; 30; 40; 50; 60; 70; 81; 90}"],"hint":"C\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c c\u00f3 hai ch\u1eef s\u1ed1 l\u00e0 c\u00e1c s\u1ed1 c\u00f3 d\u1ea1ng $\\overline{a0}$ v\u1edbi a l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean ","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00e1c s\u1ed1 tr\u00f2n ch\u1ee5c c\u00f3 hai ch\u1eef s\u1ed1 l\u00e0 c\u00e1c s\u1ed1 c\u00f3 d\u1ea1ng $\\overline{a0}$ v\u1edbi a l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> A - Kh\u1eb3ng \u0111\u1ecbnh ''M = {10; 20; 35; 40; 50; 60; 70; 80; 90}'' l\u00e0 <b> SAI <\/b> v\u00ec 35 kh\u00f4ng ph\u1ea3i s\u1ed1 tr\u00f2n ch\u1ee5c <br\/> B - Kh\u1eb3ng \u0111\u1ecbnh ''M = {10; 20; 30; 40; 49; 60; 70; 80; 90}'' l\u00e0 <b> SAI <\/b> v\u00ec 49 kh\u00f4ng ph\u1ea3i s\u1ed1 tr\u00f2n ch\u1ee5c<br\/> C - Kh\u1eb3ng \u0111\u1ecbnh ''$M = \\left\\{ \\overline{a0}, a \\in \\mathbb{N^*} \\right\\}$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> D - Kh\u1eb3ng \u0111\u1ecbnh ''M = {10; 20; 30; 40; 50; 60; 70; 81; 90}'' l\u00e0 <b> SAI <\/b> v\u00ec 81 kh\u00f4ng ph\u1ea3i s\u1ed1 tr\u00f2n ch\u1ee5c<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}],"id_ques":134},{"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":"C\u00e1c s\u1ed1 chia h\u1ebft cho 5 v\u00e0 nh\u1ecf h\u01a1n 50 \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng t\u1eadp h\u1ee3p l\u00e0:","select":["A. A = {5; 10; 15; 20; 25; 30; 38; 40; 42; 45} ","B. A = {0; 5; 10; 15; 20; 25; 30; 35; 40; 45} ","C. A = {5; 10; 15; 24; 30; 35; 40}","D. A = {5; 10; 15; 20; 25; 31; 35; 40; 45}"],"hint":"Li\u1ec7t k\u00ea c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean chia h\u1ebft cho 5 v\u00e0 nh\u1ecf h\u01a1n 50 r\u1ed3i \u0111\u1ed1i chi\u1ebfu c\u00e1c \u0111\u00e1p \u00e1n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Li\u1ec7t k\u00ea c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean chia h\u1ebft cho 5 v\u00e0 nh\u1ecf h\u01a1n 50 r\u1ed3i \u0111\u1ed1i chi\u1ebfu c\u00e1c \u0111\u00e1p \u00e1n<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/>C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean chia h\u1ebft cho 5 v\u00e0 nh\u1ecf h\u01a1n 50 l\u00e0: 0; 5; 10; 15; 20; 25; 30; 35; 40; 45<br\/> A - Kh\u1eb3ng \u0111\u1ecbnh ''A = {5; 10; 15; 20; 25; 30; 38; 40; 42; 45}'' l\u00e0 <b> SAI <\/b> v\u00ec 38 kh\u00f4ng chia h\u1ebft cho 5 <br\/> B - Kh\u1eb3ng \u0111\u1ecbnh ''A = {0; 5; 10; 15; 20; 25; 30; 35; 40; 45}'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> C - Kh\u1eb3ng \u0111\u1ecbnh ''A = {5; 10; 15; 24; 30; 35; 40}'' l\u00e0 <b> SAI <\/b> v\u00ec 24 $\\not \\vdots$ 5 <br\/> D - Kh\u1eb3ng \u0111\u1ecbnh ''A = {5; 10; 15; 20; 25; 31; 35; 40; 45}'' l\u00e0 <b> SAI <\/b> v\u00ec 31 kh\u00f4ng chia h\u1ebft cho 5<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span>","column":2}]}],"id_ques":135},{"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 B = {1; 2; 3}.<br\/> \u0110\u00e1p \u00e1n n\u00e0o sau \u0111\u00e2y g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c t\u1eadp h\u1ee3p con c\u1ee7a B","select":["A. {1}, {2}, {3}, $\\varnothing$; {1; 2; 3} ","B. {1}, {2}, {3}, $\\varnothing$ ","C. {1; 2; 3}, {1}, {2}, {3}, {1; 2}, {1; 3}, {2; 3}, $\\varnothing$ ","D. {1}, {2}, {3}, {1; 2; 3} "],"hint":"Vi\u1ebft c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 1 ph\u1ea7n t\u1eed, hai ph\u1ea7n t\u1eed, ba ph\u1ea7n t\u1eed v\u00e0 kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed n\u00e0o c\u1ee7a B<br\/> Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0 \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Vi\u1ebft c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 1 ph\u1ea7n t\u1eed, hai ph\u1ea7n t\u1eed, ba ph\u1ea7n t\u1eed v\u00e0 kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed n\u00e0o c\u1ee7a B <br\/> \u0110\u1ed1i chi\u1ec1u v\u00e0 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0 \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1c t\u1eadp h\u1ee3p con c\u1ee7a c\u00f3 m\u1ed9t ph\u1ea7n t\u1eed c\u1ee7a B l\u00e0: {1}, {2}, {3}<br\/> C\u00e1c t\u1eadp h\u1ee3p con c\u00f3 hai ph\u1ea7n t\u1eed c\u1ee7a B l\u00e0: {1; 2}, {1; 3}, {2; 3}<br\/> C\u00e1c t\u1eadp h\u1ee3p con kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed n\u00e0o c\u1ee7a A l\u00e0: $\\varnothing$ <br\/> T\u1eadp h\u1ee3p con c\u00f3 3 ph\u1ea7n t\u1eed c\u1ee7a B l\u00e0: {1; 2; 3} <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0 \u0111\u1ea7y \u0111\u1ee7 l\u00e0: C<\/span>","column":2}]}],"id_ques":136},{"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 C = {0; a} <br\/> T\u1eadp h\u1ee3p g\u1ed3m c\u00e1c t\u1eadp h\u1ee3p con c\u1ee7a C c\u00f3 bao nhi\u00eau ph\u1ea7n t\u1eed?","select":["A. 3 ph\u1ea7n t\u1eed ","B. 4 ph\u1ea7n t\u1eed ","C. 5 ph\u1ea7n t\u1eed","D. 6 ph\u1ea7n t\u1eed"],"hint":" C c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau t\u1eadp h\u1ee3p con?","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Vi\u1ebft c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 1 ph\u1ea7n t\u1eed, hai ph\u1ea7n t\u1eed v\u00e0 kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed n\u00e0o c\u1ee7a C <br\/> \u0110\u1ebfm xem C c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau t\u1eadp h\u1ee3p con th\u00ec \u0111\u00f3 ch\u00ednh l\u00e0 s\u1ed1 c\u1ea7n ch\u1ecdn<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> C\u00e1c t\u1eadp h\u1ee3p con c\u1ee7a C l\u00e0: {0}, {a}, {0; a}, $\\varnothing$ <br\/> C c\u00f3 t\u1ea5t c\u1ea3 4 t\u1eadp h\u1ee3p con <br\/> N\u00ean t\u1eadp h\u1ee3p g\u1ed3m c\u00e1c t\u1eadp h\u1ee3p con c\u1ee7a C c\u00f3 4 ph\u1ea7n t\u1eed <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span>","column":2}]}],"id_ques":137},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"\u0110\u1ec3 \u0111\u00e1nh s\u1ed1 1 quy\u1ec3n s\u00e1ch 50 trang ng\u01b0\u1eddi ta \u0111\u00e1nh s\u1ed1 trang t\u1eeb 1 \u0111\u1ebfn 50. H\u1ecfi ph\u1ea3i d\u00f9ng t\u1ea5t c\u1ea3 bao nhi\u00eau ch\u1eef s\u1ed1? <br\/> \u0110\u00e1p \u00e1n l\u00e0:","select":["A. 50 ch\u1eef s\u1ed1 ","B. 100 ch\u1eef s\u1ed1 ","C. 90 ch\u1eef s\u1ed1","D. 91 ch\u1eef s\u1ed1"],"hint":" T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 trang t\u1eeb 1 - 9, sau \u0111\u00f3 t\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e0nh s\u1ed1 trang t\u1eeb 10 - 50 \u0111em c\u1ed9ng l\u1ea1i","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 trang t\u1eeb 1 - 9 <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 trang t\u1eeb 10 - 50 <br\/> <b> B\u01b0\u1edbc 3: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 ph\u1ea3i d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 quy\u1ec3n s\u00e1ch 50 trang<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> S\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 trang t\u1eeb 1 - 9 l\u00e0: <br\/> 9 . 1 = 9 (ch\u1eef s\u1ed1) <br\/> T\u1eeb trang 10 \u0111\u1ebfn trang 50 c\u00f3 s\u1ed1 trang l\u00e0: 50 - 10 + 1 = 41 trang <br\/> V\u00ec c\u00e1c trang n\u00e0y l\u00e0 s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 n\u00ean c\u1ea7n d\u00f9ng s\u1ed1 ch\u1eef s\u1ed1 l\u00e0: <br\/> 41 . 2 = 82 (ch\u1eef s\u1ed1) <br\/> \u0110\u1ec3 \u0111\u00e1nh s\u1ed1 trang t\u1eeb 1 - 50 c\u1ea7n s\u1ed1 ch\u1eef s\u1ed1 l\u00e0: <br\/> 9 + 82 = 91 (ch\u1eef s\u1ed1) <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D. 91 ch\u1eef s\u1ed1<\/span>","column":2}]}],"id_ques":138},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"T\u1eadp h\u1ee3p H g\u1ed3m c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 5.<br\/>V\u1eady t\u1eadp h\u1ee3p H g\u1ed3m:","select":["A. 50 ph\u1ea7n t\u1eed","B. 40 ph\u1ea7n t\u1eed ","C. 20 ph\u1ea7n t\u1eed","D. 18 ph\u1ea7n t\u1eed"],"hint":" T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 5 \u0111\u01a1n v\u1ecb t\u1eeb s\u1ed1 nh\u1ecf nh\u1ea5t c\u00f3 2 ch\u1eef s\u1ed1 chia h\u1ebft cho 5 \u0111\u1ebfn s\u1ed1 l\u1edbn nh\u1ea5t c\u00f3 2 ch\u1eef s\u1ed1 chia h\u1ebft cho 5","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u1eadp h\u1ee3p H g\u1ed3m c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 5 hay t\u1eadp h\u1ee3p H bao g\u1ed3m 1 d\u00e3y c\u00e1c s\u1ed1 c\u00e1ch \u0111\u1ec1u 5 \u0111\u01a1n v\u1ecb b\u1eaft \u0111\u1ea7u t\u1eeb s\u1ed1 nh\u1ecf nh\u1ea5t c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 5 v\u00e0 k\u1ebft th\u00fac l\u00e0 s\u1ed1 l\u1edbn nh\u1ea5t c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 5 <br\/> T\u00ecm s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a H theo c\u00f4ng th\u1ee9c t\u00ednh s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u: <br\/> S\u1ed1 s\u1ed1 h\u1ea1ng = (s\u1ed1 h\u1ea1ng cu\u1ed1i - s\u1ed1 h\u1ea1ng \u0111\u1ea7u) : kho\u1ea3ng c\u00e1ch + 1<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> S\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p H g\u1ed3m c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 5 <br\/> Hay ch\u00ednh l\u00e0 s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y: 10, 15, 20, 25,....., 95 <br\/>(S\u1ed1 nh\u1ecf nh\u1ea5t c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 5 l\u00e0 10, s\u1ed1 l\u1edbn nh\u1ea5t c\u00f3 hai ch\u1eef s\u1ed1 chia h\u1ebft cho 5 l\u00e0 95)<br\/> T\u1eadp h\u1ee3p H c\u00f3 s\u1ed1 ph\u1ea7n t\u1eed l\u00e0: <br\/> (95 - 10): 5 + 1 = 18 (ph\u1ea7n t\u1eed) <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D. 18 ph\u1ea7n t\u1eed<\/span>","column":2}]}],"id_ques":139},{"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":"\u0110\u1ec3 \u0111\u00e1nh s\u1ed1 cho 1 d\u00e3y ph\u1ed1 g\u1ed3m 352 c\u0103n h\u1ed9 ng\u01b0\u1eddi ta d\u00f9ng c\u00e1c s\u1ed1 t\u1eeb 1 - 352. H\u1ecfi ph\u1ea3i d\u00f9ng t\u1ea5t c\u1ea3 bao nhi\u00eau ch\u1eef s\u1ed1 <br\/> \u0110\u00e1p \u00e1n l\u00e0:","select":["A. 945 ch\u1eef s\u1ed1 ","B. 956 ch\u1eef s\u1ed1 ","C. 948 ch\u1eef s\u1ed1","D. 957 ch\u1eef s\u1ed1"],"hint":" T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 c\u0103n h\u1ed9 t\u1eeb 1 - 9, t\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e0nh s\u1ed1 c\u0103n h\u1ed9 t\u1eeb 10 - 99, t\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 c\u0103n h\u1ed9 t\u1eeb 100 - 352 sau \u0111\u00f3 \u0111em c\u1ed9ng l\u1ea1i","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 c\u0103n h\u1ed9 t\u1eeb 1 - 9 <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 c\u0103n h\u1ed9 t\u1eeb 10 - 99 <br\/> <b> B\u01b0\u1edbc 3: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 nh\u00e0 t\u1eeb 100 - 352 <br\/> <b> B\u01b0\u1edbc 4: <\/b>T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 ph\u1ea3i d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 s\u1ed1 cho d\u00e3y ph\u1ed1 352 c\u0103n h\u1ed9<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> S\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 t\u1eeb 1 - 9 l\u00e0: <br\/> 9 . 1 = 9 (ch\u1eef s\u1ed1) <br\/> T\u1eeb c\u0103n h\u1ed9 s\u1ed1 10 \u0111\u1ebfn c\u0103n h\u1ed9 s\u1ed1 99 c\u00f3: 99 - 10 + 1 = 90 (c\u0103n h\u1ed9) <br\/> V\u00ec c\u00e1c c\u0103n h\u1ed9 n\u00e0y \u0111\u1ec1u d\u00f9ng s\u1ed1 c\u00f3 2 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 n\u00ean c\u1ea7n: <br\/> 90 . 2 = 180 (ch\u1eef s\u1ed1) <br\/> T\u1eeb c\u0103n h\u1ed9 s\u1ed1 100 \u0111\u1ebfn c\u0103n h\u1ed9 s\u1ed1 352 c\u00f3: 352 - 100 + 1 = 253 (c\u0103n h\u1ed9) <br\/> V\u00ec c\u00e1c c\u0103n h\u1ed9 n\u00e0y \u0111\u1ec1u d\u00f9ng s\u1ed1 c\u00f3 3 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 n\u00ean c\u1ea7n: <br\/> 253 . 3 = 759 (ch\u1eef s\u1ed1) <br\/>\u0110\u1ec3 \u0111\u00e1nh s\u1ed1 cho khu ph\u1ed1 g\u1ed3m 352 c\u0103n h\u1ed9 c\u1ea7n: <br\/> 9 + 180 + 759 = 948 (ch\u1eef s\u1ed1) <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. 948 ch\u1eef s\u1ed1<\/span>","column":2}]}],"id_ques":140}],"lesson":{"save":0,"level":2}}