{"segment":[{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["192"]]],"list":[{"point":10,"width":50,"type_input":"","ques":"B\u1ea1n T\u00e2m \u0111\u00e1nh s\u1ed1 trang s\u00e1ch b\u1eb1ng c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean t\u1eeb 1 \u0111\u1ebfn 100. B\u1ea1n T\u00e2m c\u1ea7n ph\u1ea3i vi\u1ebft t\u1ea5t c\u1ea3 bao nhi\u00eau ch\u1eef s\u1ed1<br\/> \u0110\u00e1p \u00e1n l\u00e0: _input_ ch\u1eef s\u1ed1","hint":"T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 trang c\u00f3 1 ch\u1eef s\u1ed1, c\u00f3 hai ch\u1eef s\u1ed1, c\u00f3 3 ch\u1eef s\u1ed1 r\u1ed3i t\u00ednh t\u1ed5ng","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> B\u01b0\u1edbc 1: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh c\u00e1c trang c\u00f3 1 ch\u1eef s\u1ed1 (1 - 9)<br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh c\u00e1c trang c\u00f3 hai ch\u1eef s\u1ed1 (10 - 99) <br\/> <b> B\u01b0\u1edbc 3: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 trang c\u00f3 3 ch\u1eef s\u1ed1 (100)<br\/> <b> B\u01b0\u1edbc 4: <\/b> T\u00ecm s\u1ed1 ch\u1eef s\u1ed1 \u0111\u1ec3 \u0111\u00e1nh s\u1ed1 trang c\u1ee7a quy\u1ec3n s\u00e1ch 100 trang<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/><br\/> \u0110\u1ec3 \u0111\u00e1nh s\u1ed1 trang t\u1eeb 1 \u0111\u1ebfn 9 c\u1ea7n: <br\/> 9 . 1 = 9 (ch\u1eef s\u1ed1) <br\/> \u0110\u1ec3 \u0111\u00e1nh s\u1ed1 trang t\u1eeb 10 - 99 c\u1ea7n: <br\/> [(99 - 10) + 1] . 2 = 180 (ch\u1eef s\u1ed1) <br\/> \u0110\u1ec3 \u0111\u00e1nh s\u1ed1 cho trang 100 c\u1ea7n: 3 ch\u1eef s\u1ed1<br\/> \u0110\u1ec3 \u0111\u00e1nh s\u1ed1 trang cho quy\u1ec3n s\u00e1ch 100 trang c\u1ea7n: <br\/> 9 + 180 + 3 = 192 (ch\u1eef s\u1ed1)<br\/><span class='basic_pink'>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 192<\/span>"}]}],"id_ques":141},{"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":"T\u1eadp h\u1ee3p E c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng l\u1edbn h\u01a1n 50 nh\u01b0ng kh\u00f4ng nh\u1ecf h\u01a1n 30 l\u00e0:","select":["A. $E = \\left\\{ x \\in \\mathbb{N}| 30 \\leq x \\leq 50 \\right\\}$ ","B. $E = \\left\\{ x \\in \\mathbb{N}| 30 < x < 50 \\right\\}$ "],"hint":"Kh\u00f4ng l\u1edbn h\u01a1n 50 ngh\u0129a l\u00e0 l\u1ea5y c\u1ea3 ph\u1ea7n t\u1eed 50, kh\u00f4ng nh\u1ecf h\u01a1n 30 ngh\u0129a l\u00e0 l\u1ea5y c\u1ea3 ph\u1ea7n t\u1eed 30","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean x kh\u00f4ng l\u1edbn h\u01a1n 50 ngh\u0129a l\u00e0: $ x \\leq 50$ <br\/> C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean x kh\u00f4ng nh\u1ecf h\u01a1n 30 ngh\u0129a l\u00e0: $30 \\leq x$<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/>T\u1eadp h\u1ee3p E c\u00e1c s\u1ed1 kh\u00f4ng l\u1edbn h\u01a1n 50 nh\u01b0ng kh\u00f4ng nh\u1ecf h\u01a1n 30 l\u00e0: $30 \\leq x \\leq 50$ <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh ''$E = \\left\\{ x \\in \\mathbb{N}| 30 \\leq x \\leq 50 \\right\\}$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> Kh\u1eb3ng \u0111\u1ecbnh ''$E = \\left\\{ x \\in \\mathbb{N}| 30 < x < 50 \\right\\}$'' l\u00e0 <b> SAI <\/b> <br\/> V\u00ec thi\u1ebfu ph\u1ea7n t\u1eed 30 v\u00e0 50<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span>","column":2}]}],"id_ques":142},{"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 A = {40; 41; 42;...; 100} <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang:","select":["A. A c\u00f3 40 ph\u1ea7n t\u1eed ","B. A c\u00f3 100 ph\u1ea7n t\u1eed ","C. A c\u00f3 61 ph\u1ea7n t\u1eed ","D. A c\u00f3 60 ph\u1ea7n t\u1eed "],"hint":"T\u00ednh s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 1 \u0111\u01a1n v\u1ecb t\u1eeb 40 \u0111\u1ebfn 100","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> S\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u b\u1eb1ng: <br\/> (s\u1ed1 h\u1ea1ng cu\u1ed1i - s\u1ed1 h\u1ea1ng \u0111\u1ea7u) : kho\u1ea3ng c\u00e1ch + 1<br\/> T\u00ednh s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 1 \u0111\u01a1n v\u1ecb t\u1eeb 40 \u0111\u1ebfn 100<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> V\u00ec A = {40, 41; 42; 43;...; 100} <br\/> Ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a A ch\u00ednh l\u00e0 s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 1 \u0111\u01a1n v\u1ecb t\u1eeb 40 \u0111\u1ebfn 100 <br\/> S\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p A l\u00e0: <br\/> (100 - 40) : 1 + 1 = 61 (ph\u1ea7n t\u1eed)<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}],"id_ques":143},{"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 t\u1eadp h\u1ee3p F = {47; 49; 51;....; 301}. <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang:","select":["A. F c\u00f3 128 ph\u1ea7n t\u1eed ","B. F c\u00f3 129 ph\u1ea7n t\u1eed ","C. F c\u00f3 127 ph\u1ea7n t\u1eed ","D. F c\u00f3 126 ph\u1ea7n t\u1eed "],"hint":"T\u00ednh s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 2 \u0111\u01a1n v\u1ecb s\u1ed1 nh\u1ecf nh\u1ea5t l\u00e0 47, s\u1ed1 l\u1edbn nh\u1ea5t l\u00e0 301","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> S\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u b\u1eb1ng: <br\/> (s\u1ed1 cu\u1ed1i - s\u1ed1 \u0111\u1ea7u) : kho\u1ea3ng c\u00e1ch + 1 <br\/> T\u00ednh s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 2 \u0111\u01a1n v\u1ecb t\u1eeb 47 \u0111\u1ebfn 301<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/>Nh\u1eadn x\u00e9t: F = {47; 49; 51;...; 301} <br\/> Ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a F ch\u00ednh l\u00e0 s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 2 \u0111\u01a1n v\u1ecb t\u1eeb 47 \u0111\u1ebfn 301 <br\/> S\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p F l\u00e0: (301 - 47) : 2 + 1 = 128 (ph\u1ea7n t\u1eed) <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span>","column":2}]}],"id_ques":144},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai3/lv3/img\/D613_K201.png' \/><\/center> <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai?","select":["A. $6 \\in A$ ","B. $ 6 \\in B$","C. $ 6 \\in C$","D. 6 kh\u00f4ng thu\u1ed9c c\u1ea3 3 t\u1eadp h\u1ee3p tr\u00ean"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> N\u1ebfu 6 n\u1eb1m trong c\u1ea3 3 v\u00f2ng tr\u00f2n xanh l\u00e1 c\u00e2y, t\u00edm v\u00e0 \u0111en th\u00ec 3 kh\u1eb3ng \u0111\u1ecbnh A, B, C l\u00e0 \u0111\u00fang<br\/> N\u1ebfu c\u1ea3 A, B, C \u0111\u00fang th\u00ec D l\u00e0 \u0111\u00e1p \u00e1n sai<\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta th\u1ea5y: <br\/> V\u00ec 6 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u t\u00edm n\u00ean kh\u1eb3ng \u0111\u1ecbnh $6 \\in A$ l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> V\u00ec 6 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u xanh l\u00e1 c\u00e2y n\u00ean kh\u1eb3ng \u0111\u1ecbnh ''$ 6 \\in B$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> V\u00ec 6 n\u1eb1m trong v\u00f2ng tr\u00f2n m\u00e0u \u0111en n\u00ean kh\u1eb3ng \u0111\u1ecbnh ''$ 6 \\in C$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> V\u00ec A, B, C l\u00e0 \u0111\u00fang n\u00ean kh\u1eb3ng \u0111\u1ecbnh ''6 kh\u00f4ng thu\u1ed9c c\u1ea3 3 t\u1eadp h\u1ee3p'' l\u00e0 <b> SAI <\/b> <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: D<br\/><\/span> ","column":2}]}],"id_ques":145},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Cho B = {2; 7; b; c; 1}. <br\/>T\u1eadp h\u1ee3p B c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau t\u1eadp h\u1ee3p con m\u00e0 m\u1ed7i t\u1eadp h\u1ee3p con \u0111\u1ec1u c\u00f3 3 ph\u1ea7n t\u1eed? <br\/> \u0110\u00e1p \u00e1n l\u00e0:","select":["A. 6 ","B. 8 ","C. 7 ","D. 10 "],"hint":"Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 ba ph\u1ea7n t\u1eed c\u1ee7a B v\u00e0 \u0111\u1ebfm s\u1ed1 l\u01b0\u1ee3ng","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Vi\u1ebft t\u1ea5t c\u1ea3 c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 3 ph\u1ea7n t\u1eed c\u1ee7a B <br\/> \u0110\u1ebfm xem t\u1ea5t c\u1ea3 B c\u00f3 bao nhi\u00eau t\u1eadp h\u1ee3p con c\u00f3 3 ph\u1ea7n t\u1eed<\/span><br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> B c\u00f3 c\u00e1c t\u1eadp h\u1ee3p con c\u00f3 3 ph\u1ea7n t\u1eed l\u00e0: {2; 7; b}, {2; 7; c}, {2; 7; 1}, {7; b; c}, {7; b; 1}, {b; c; 1}; {2; b; c}, {2; b; 1}, {2; c; 1}; {7, c, 1} <br\/> V\u1eady A c\u00f3 t\u1ea5t c\u1ea3 10 t\u1eadp h\u1ee3p con c\u00f3 3 ph\u1ea7n t\u1eed <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":146},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"$\\begin{align*} & \\text {Cho 3 t\u1eadp h\u1ee3p:} \\\\& \\text{A - C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean ch\u1eb5n nh\u1ecf h\u01a1n 30} \\\\& \\text{B - C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean l\u1ebb nh\u1ecf h\u01a1n 30} \\\\& \\text{C - C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng l\u1edbn h\u01a1n 30} \\\\& \\text{Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y sai?} \\end{align*}$","select":["A. $ A \\subset B $ ","B. $ B \\subset C $ ","C. $ A \\subset C $ ","D. \u0110\u00e1p \u00e1n A sai"],"hint":"Vi\u1ebft c\u00e1c t\u1eadp h\u1ee3p A, B, C d\u01b0\u1edbi d\u1ea1ng li\u1ec7t k\u00ea c\u00e1c ph\u1ea7n t\u1eed","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> <b> B\u01b0\u1edbc 1: <\/b> Vi\u1ebft c\u00e1c t\u1eadp h\u1ee3p A, B, C d\u01b0\u1edbi d\u1ea1ng li\u1ec7t k\u00ea c\u00e1c ph\u1ea7n t\u1eed <br\/> <b> B\u01b0\u1edbc 2: <\/b> X\u00e9t m\u1ed1i quan h\u1ec7 c\u1ee7a c\u00e1c t\u1eadp h\u1ee3p v\u00e0 ch\u1ecdn \u0111\u00e1p \u00e1n sai<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> T\u1eadp h\u1ee3p A c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean ch\u1eb5n nh\u1ecf h\u01a1n 30 l\u00e0: A = {2; 4; 6; 8; 10; 12;...;28} <br\/> T\u1eadp h\u1ee3p B c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean l\u1ebb nh\u1ecf h\u01a1n 30 l\u00e0: B = {1; 3; 5; 7; 9;...; 29} <br\/> T\u1eadp h\u1ee3p C c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng l\u1edbn h\u01a1n 30 l\u00e0: C = {0; 1; 2; 3;...; 30} <br\/>Ta th\u1ea5y kh\u00f4ng c\u00f3 ph\u1ea7n t\u1eed n\u00e0o c\u1ee7a A thu\u1ed9c B n\u00ean kh\u1eb3ng \u0111\u1ecbnh ''$ A \\subset B$'' l\u00e0 <b> SAI <\/b> <br\/> V\u00ec m\u1ecdi ph\u1ea7n t\u1eed c\u1ee7a A \u0111\u1ec1u thu\u1ed9c C n\u00ean kh\u1eb3ng \u0111\u1ecbnh ''$ A \\subset C$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> V\u00ec m\u1ecdi ph\u1ea7n t\u1eed c\u1ee7a B \u0111\u1ec1u thu\u1ed9c C n\u00ean kh\u1eb3ng \u0111\u1ecbnh ''$ B \\subset C$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> V\u00ec \u0111\u00e1p \u00e1n A sai n\u00ean \u0111\u00e1p \u00e1n D l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: A<\/span>","column":2}]}],"id_ques":147},{"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":"$$\\begin{align*} \\text{Cho hai t\u1eadp h\u1ee3p:} &A = \\left\\{2; 7; a; b; 4; 9; 11; 6; 8\\right\\} \\\\& B = \\left\\{ x \\in \\mathbb{N}| 2 \\leq x \\leq 9\\right\\}\\end{align*}$$ T\u1eadp h\u1ee3p M g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed v\u1eeba thu\u1ed9c A v\u1eeba thu\u1ed9c B l\u00e0: ","select":["A. M = {2; 4; 7; 9; 6; 8; 11} ","B. M = {2; 4; 6; 7; 8; 9} ","C. M = {4; 7; 9; 11} ","D. M = {7; 9; 8; 11; 4; 2} "],"hint":"V\u1ebd s\u01a1 \u0111\u1ed3 ven bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 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> Vi\u1ebft t\u1eadp h\u1ee3p B d\u01b0\u1edbi d\u1ea1ng li\u1ec7t k\u00ea c\u00e1c ph\u1ea7n t\u1eed <br\/> <b> B\u01b0\u1edbc 2: <\/b> V\u1ebd s\u01a1 \u0111\u1ed3 ven bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 gi\u1eefa hai t\u1eadp h\u1ee3p <br\/> <b> B\u01b0\u1edbc 3: <\/b> C\u00e1c ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p M ch\u00ednh l\u00e0 ph\u1ea7n giao nhau c\u1ee7a hai t\u1eadp h\u1ee3p A v\u00e0 B<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> Ta c\u00f3: $B = \\left\\{ x \\in \\mathbb{N}| 2 \\leq x \\leq 9\\right\\}$ <br\/> B = {2; 3; 4; 5; 6; 7; 8; 9} <br\/> Ta c\u00f3 s\u01a1 \u0111\u1ed3: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai3/lv3/img\/D613_K203.png' \/><\/center><br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y c\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p M ch\u00ednh l\u00e0 c\u00e1c ph\u1ea7n t\u1eed n\u1eb1m trong ph\u1ea7n h\u00ecnh m\u00e0u v\u00e0ng <br\/> M = {2; 4; 6; 7; 8; 9} <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span> ","column":2}]}],"id_ques":148},{"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 t\u1eadp h\u1ee3p $ B = \\left\\{ x \\in \\mathbb{N}| 37 \\leq x < 83 \\right\\}$. <br\/> H\u00e3y ch\u1ecdn t\u1eadp h\u1ee3p n\u00e0o l\u00e0 t\u1eadp h\u1ee3p con c\u1ee7a t\u1eadp h\u1ee3p B ","select":["A. {37; 43; 58; 62} ","B. {70; 81; 42} ","C. $\\varnothing$ ","D. C\u1ea3 3 \u0111\u00e1p \u00e1n tr\u00ean "],"hint":"N\u1ebfu m\u1ecdi ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p A \u0111\u1ec1u thu\u1ed9c t\u1eadp h\u1ee3p B th\u00ec t\u1eadp h\u1ee3p A l\u00e0 t\u1eadp h\u1ee3p con c\u1ee7a t\u1eadp h\u1ee3p B","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n, \u0111\u00e1p \u00e1n n\u00e0o c\u00f3 m\u1ecdi ph\u1ea7n t\u1eed \u0111\u1ec1u thu\u1ed9c t\u1eadp h\u1ee3p B th\u00ec \u0111\u00f3 l\u00e0 t\u1eadp h\u1ee3p con c\u1ee7a t\u1eadp h\u1ee3p B<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> A - {37; 43; 58; 62} c\u00f3 m\u1ecdi ph\u1ea7n t\u1eed \u0111\u1ec1u thu\u1ed9c B <br\/> N\u00ean {37; 43; 58; 62} l\u00e0 t\u1eadp h\u1ee3p con c\u1ee7a t\u1eadp h\u1ee3p B <br\/> B - {70; 81; 42} c\u00f3 m\u1ecdi ph\u1ea7n t\u1eed \u0111\u1ec1u thu\u1ed9c B <br\/> N\u00ean {70; 81; 42} l\u00e0 t\u1eadp h\u1ee3p con c\u1ee7a t\u1eadp h\u1ee3p B <br\/> C - $\\varnothing$ v\u00ec t\u1eadp h\u1ee3p $\\varnothing$ l\u00e0 t\u1eadp h\u1ee3p con c\u1ee7a m\u1ecdi t\u1eadp h\u1ee3p <br\/>N\u00ean $\\varnothing$ l\u00e0 t\u1eadp h\u1ee3p con c\u1ee7a t\u1eadp h\u1ee3p B <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span> ","column":2}]}],"id_ques":149},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["90"]]],"list":[{"point":10,"width":50,"type_input":"","ques":"Cho t\u1eadp h\u1ee3p Q l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 c\u00f3 4 ch\u1eef s\u1ed1 m\u00e0 2 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 42. <br\/> V\u1eady t\u1eadp h\u1ee3p Q c\u00f3: _input_ ph\u1ea7n t\u1eed","hint":"T\u00ecm s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 100 \u0111\u01a1n v\u1ecb t\u1eeb s\u1ed1 1042 \u0111\u1ebfn 9942","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>C\u00e1c s\u1ed1 c\u00f3 4 ch\u1eef s\u1ed1 m\u00e0 c\u00f3 hai ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 42 l\u00e0 c\u00e1c s\u1ed1 c\u00f3 d\u1ea1ng $\\overline{ab42}$ (1000 < $\\overline{ab42}$ < 10000<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>G\u1ecdi c\u00e1c s\u1ed1 c\u00f3 4 ch\u1eef s\u1ed1 m\u00e0 c\u00f3 hai ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 42 l\u00e0: $\\overline{ab42}; a, b \\in \\mathbb{N}$ <br\/> P = {1042; 1142; 1242;....;9942}<br\/> S\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p Q ch\u00ednh l\u00e0 s\u1ed1 s\u1ed1 h\u1ea1ng c\u1ee7a d\u00e3y c\u00e1ch \u0111\u1ec1u 100 \u0111\u01a1n v\u1ecb t\u1eeb 1042 \u0111\u1ebfn 9942 <br\/> S\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p Q l\u00e0: <br\/> (9942 - 1042): 100 + 1 = 90 (ph\u1ea7n t\u1eed)<br\/><span class='basic_pink'>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 90<\/span>"}]}],"id_ques":150}],"lesson":{"save":0,"level":3}}