Question

已知A∩{-1,1,0}={0,1},且A∪{-2,2,0}={-2,1,0,2},求满足上述条件集合A

Answer 1

A∩{-1,1,0}={0,1},即0,1属于A

A∪{-2,2,0}={-2,1,0,2},则1属于A

则A可能为{0,1},{0,1,-2},{0,1,2},{0,1,2,-2}