问题 填空题 已知集合M={0,2,4},N={x|log2(x+1)<2,x∈Z},则M∩N=______. 答案 ∵M={0,2,4},N={x|log2(x+1)<2,x∈Z}={0,1,2},∴M∩N={0,2}.故答案为:{0,2}.