1,11,80,12,23,90,2,8,91,19,417,37,398,10,25,是3的倍数的有,质数有,合数有
问题描述:
1,11,80,12,23,90,2,8,91,19,417,37,398,10,25,是3的倍数的有,质数有,合数有
答
3的倍数80.12.90.417.质数11.23.2.91.19.37和数80.12.90.8.417.398.10.25