问题
填空题
已知集合P={0,1,2,3},Q={x|x=2n,x∈Z},则P∩Q=______.
答案
Q={x|x=2n,n∈Z}={…-2,0,2,4,6,8,…},
∵P={0,1,2,3}
∴P∩Q={0,2}
故答案为:{0,2}
已知集合P={0,1,2,3},Q={x|x=2n,x∈Z},则P∩Q=______.
Q={x|x=2n,n∈Z}={…-2,0,2,4,6,8,…},
∵P={0,1,2,3}
∴P∩Q={0,2}
故答案为:{0,2}