1.3 集合的基本运算常考题型.docx

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1、1.3集合的基本运算常考题型训练题型：求集合的交集1、简单求交集1 .集合 A=l,3, B=234则 ACB=()A. 1B. 2C. 3D. 1,2,3,43.已知集合M =xOx2,N = -l,0,l,2,则M N =2 .已知集合A = xx2, B = l,0,l,2,3,则A B =A. O,1B. 0J24 .已知集合 A = 0,l,2,3,4,5, 8 = 1,3,5,7,9则 A B =A. 1,2,3,5B. 0,l,3,5c. L3,5D. 0,l,2,3,4,5,7,95 .已知集合 A= b 2, 3, 4, B= 1, 3, 5),则 ACB=A. 1, 2,

2、3, 4, 5 B 1, 3, 5)C. 1, 4D. 1, 3)6 .设集合M = 2,3,4,5,集合N = 2,4,6,则 McN 是A. 2,3,4,5B. 2,4c. 2,3,4,5,6D. 2,4,67 .已知集合A = 1,2,3,4, 3 = 1,4,5, C = A区，则。的子集共有（）A 2个B 3个C. 8个D. 4个8 .已知集合A=l,2,3,4, B=2,4,6,8,则A B中元素的个数为A. 1B. 2C 3D. 4D -3, 2,1B中元素的个数是A. 2B. 3C. 4D 59 .已知集合 M= x-3x0, B = xxl,则 A B =12 .集合 A =

3、 x0x3, B = xx2,则 A B =13 .已知集合A = x0xl,则 A B =14 .已知集合 A= xx-23),则 45=()A. xOxlB. x2x3C. xlxT, B = xx2 9 则 A5=A. (- 1, +8)B. (-8, 2)C. (-1, 2)D. 016 .已知集合 A = l,2,3,4,B = y y = 3x-2, x,则 Ac8=()A. 1B, 4C. 1,3D. 1,417 .已知集合A = 乂lx2, B = xlx3,则A B=()A. 1,2B. -1,2c. -l,3JD. 1,318 .若集合A = x|2x3, B = xx4,

4、则集合A 8等于()A. xx3或无4B. x-lx3c.-2x-1d. y = (m-i)T+-i19 .已知集合A = (x,y)2 + y2 = , 3 = (x,y)y = W,则集合A 8的子集的个数为()A. 2B. 4C. 8D. 1620 .若集合A = x-2x3, 3 = xx4,则集合A B等于()A. xx3gJu4b. x-1 x3c. -2x-1D. y = (m-l)-1+x-l2、求参数1 .已知集合 A = 3,4,5,6, B = a9 若 A B = 6f 贝J=()A. 3 B. 4 C. 5 D. 62 .已知集合A =卜卜= J9-Y, 6 =若A

5、8 = A,则实数Q的取值范围是()A.(-00，3B. (-,3)C.(,D.3,+8)3 .设集合 A = l,2,4, B = xx2-4x + m = .若 AcB = l,贝 Jj=()A.l,-3B. l,0C.1,3D.1,54 .已知A = l,+8), B = L0,3cz-1,若AcB#0,则实数。的取值范围是()1 I2、A 1,)B. 3C ,+8D (l,+oo)5 .集合 A = x啜k 2, B = xxa.(1)若A 8 = A,求实数。的取值范围；(2)若A 8 = 0,求实数。的取值范围.6 .已知集合A=x2a + lx3a-5, B=xx16,分别根据下

6、列条件求实数a的取值范围.(1) AnB=0； (2) A (AB).7 .设集合 A = x x? +4x = , B xx2 + l)x 6z2 1 = O,(1)当。=一1时，求A B ； (2)若A B = B ,求的取值范围.8 .已知集合 A = x3,集合B = x2z x 3或xvl,则6/=_.5 .已知全集U = R,集合A = xx2,则4A=()A. (一2,2)B. (-,-2) (2,)C. 2,2D. (-,-2 24,+8)2、求参数1 .设全集U = 5,Y+-3,4, U的子集A = + 2,5.如果Q = 3,求实数。的值.2 .设集合 U = 0,1,2

7、,3,集合 A = xU+状= 0,若 CA = 1,2,则实数加=.3 .设全集。=2,3,/+一3,集合 A = ,3, CuA = 29 贝J =.题型：集合的综合运算1、简单的计算L 已知全集U = T,0,L2,3,集合A = 0,l,2, B = -1,0,1,贝j(QA)cB=()A. -lB. 0,lc. -l,2,3D. -1,0,1,32.已知全集U = L234,5,6,集合4 = 2,3,5,集合B = 1,3,4,6,则集合4 n (CuB)=()A. 3B. 2,5C. 1,4,6D. 2,3,53,已知全集。=1,2,3,4,5,6,7,8,集合 A = 2,3,

8、5,6,集合3 = 1,3,4,6,7,则集合 AcQ=()A. 2,5B. 3,6c. 2,5,6D. 2,3,5,6,84 .已知全集U = 135,7,集合A = l,3, B = 3,5,则(邮)c( *)=()A. 3b. 7c. 3,7D. 1,3,5)5 .设全集，集合=L4, N = 1,3,5,则 N M)=()A.1B.3,5c.,3,4,5D. 1,2,3,5,66 .已知全集0,123,4,5,集合A = l,5,集合8 = 2,则集合(QzA)它8=()A.0,2,3,4B.0,3,4c.2D. 07 .设集合U = l,2,3,4,5, A = 1,3,5, 3 =

9、 2,3,5,则 Ccz(A B)等于()A.1,2,4B.4C. 3,5D.8 .已知全集U = l,2,3,4,5,6,集合A = l,3,4,集合3 = 1,3,5,则A) B=()A.5B.1,3C. 1,3,4,5)D.09 .已知集合A3均为全集U = l,2,3,4,5,6,7的子集，集合A = 1,2,3,4,则满足A即B = l,2的集合3可以是()A.1,2,3,4B.1,2,7c. 3,4,5,6D.1,2,310 .已知全集U=L2,3,4,5,6,集合A = l,3,4,集合3 = 1,3,5,贝J(QA) B=()A.5B.1,3C.L3,4,5D.01L 已知全集U = l,2,3,4,5,6,7,8,9, AnB = 2,(QA)(QB) = 1,9, (QA) 3 = 4,6,8,则集合A=.12 .已知集合A = xx6, 3 = 2,5,6,8,10,则(G(A)I B=()A.8,10B.2,5c.6,8,10D.2,5,613 .设集合 A = -1,1,2,3,5, B = 2,3,4 , C = xRl,x3,则(A C) B =A.2B.2, 3C.-l, 2, 3D.1, 2, 3,414 .设全集为R,集合4 = 引%2 4 v o, F = x - 1 x 3,则4n(QB)=()A.(-2, -0)