求答案、谢谢

2025-01-01 06:03:29
推荐回答(2个)
回答1:

{2,4,6,8}
{1,2,3,4,5,6}
{1,3,5,15}
{1,3,5,15}
[x//x/=2n,n∈N}

回答2: