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)

问题描述:

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)