题目内容
设集合A={3,2a},B={a,b},若A∩B={2},则A∪B=________.
1,2,3}
设集合A={|a+1|,3,5},B={2a+1,a2+2a,a2+2a-1},当A∩B={2,3}时,求A∪B.
设集合A={|a+1|,3,5},集合B={2a+1,a2+2a,a2+2a-1},当A∩B={2,3}时,求A∪B.
设集合A={|a+1|,3,5},B={2a+1,+2a,+2a-1},当A∩B={2,3}时,求A∪B.
设集合A={-1,0,3},B={a+3,2a+1},A∩B={3},则实数a的值为________.