设A={3,5,6,8},B={4,5,7,8},求A∩B,AUB.
设A={3,5,6,8} B={4,5,7,8} 求AUB,A∩B
设A={3,5,6,8},B={4,5,7,8},求AnB,AUB
设集合U={1,2,3,4,5,6,7,8},A={1,3,5},B={3,6},求Cu(AUB).
设全集U={1,2,3,4.,5,6,7,8}.集合A={2,4,6},集合B={3,4,5}.求A∩B,AUB,CuA
已知集合A={1,2,3,4,5},集合B={4,5,6,7,8,9}求A∩B和AUB.这题不会写,
设集合A={1,2,3,4,5}AnB={1,3,5,},AUB={1,2,3,4,5,6,7,}求B
设u={1.2.3.4.5.6.7.8.9.10},a={1.2.3.4.5}b={8.6.4.5.3}求aub aub
设全集U={1,2,3,4,5},若AUB=U,A∩B中只有一个元素,且A∩CuB={1,3},求集合A,B
设空集U={1,2,3,4,5,6,7,8,9},Cu(AUB)={1,3},An(CuB)={2.4},求集合B
设全集U={一1,0,1,2,3,4,5},集A={1,2},集B={2,3,5},求①AUB ②Cu(AUB)
设集合A={x|-5小于等于x小于等于3},B{x|x小于-2或x大于4},求AUB,(CrA)交(CrB),
设全集A={1,5},则满足AUB={1,5}的集合B的个数是() A.4 B.3 C.2 D.1