设A={3,5,6,8,},B={4,5,7,8},求A交B,A并B,
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设A={3,5,6,8,},B={4,5,7,8},求A交B,A并B,设A={3,5,6,8,},B={4,5,7,8},求A交B,A并B,设A={3,5,6,8,},B={4,5,7,8},求A交B
设A={3,5,6,8,},B={4,5,7,8},求A交B,A并B,
设A={3,5,6,8,},B={4,5,7,8},求A交B,A并B,
设A={3,5,6,8,},B={4,5,7,8},求A交B,A并B,
A交B={5,8} A并B={3,4,5,6,7,8}
设A={3,5,6,8,},B={4,5,7,8},求A交B,A并B,
设A={3,5,6,8},B={4,5,7,8},求A∩B,AUB.
设A={4,5,6,8}、B={3、5、7、8},求A∪B
设A={3,5,6,8},B={4,5,7,8},求AnB,AUB
设a=(-2,3),b=(-8,5),则5a-3b=
设a=(2,-3),b=(-4,0),c=(-5,6),求 -2a+3b-4c
设集合A{1,2,3,4},B{3,4,5},则A∩B= ,A∪B=
设A=4a的平方+5b,B=-3a的平方+2b,求A-3B,其中a=-1,b=2.
急~~~~高中数学必修1集合题 求答案 要解答过程1.设集合A={ x | 2 ≤ x < 4 } ,B={ x | 3x-7≥8-2x} .求A∪B,A∩B2.设A={x | x是小于9的整数},B={1,2,3},C={3,4,5,6}.求A∩B,A∩(B∪C),A∪(B∩C)3.学校里开运动会,设A=
设a*b=a2+2b 那么求10*6和5*(2*8) 设a*b=3a—b×1/2,求(25*12)*(10*5)
设a*b=a2+2b,那么求10*6和5*(2*8).
设集合A={5,4^(a+3)},集合B={a,b},若A∩B={2},则A∪B=?
设集合A={4,5,6,9}.B={3,4,7,8,9},全集U=A∪B,则集合Cu(A∩B)中的元素个数是A.3 B.4 C5 D.6
设全集为U=(1,2,3,4,5,6,7,8),A=(1,2,3,),B=(2,4,6,),求:A∩B,A∪B,CuA,Cu(A∪B).
设向量a=(3,5,-4),b=(2,1,8)计算3a-2b,a-b
设A={a,b,c},B={1,2},C={α,β},试求 P(A)×A 设集合A={1,2,3,4,5,6,7},下列各式定义的R都设A={a,b,c},B={1,2},C={α,β},试求P(A)×A设集合A={1,2,3,4,5,6,7},下列各式定义的R都是A上的关系,试分
设A={3,5,6,8} B={4,5,7,8} 求AUB,A∩B求答案快啊····
设 a=4 b=5 c=6 执行语句 print a