40,12,37,39,45,18,10,26,91,69,23,55中,奇数有?偶数有?3的陪数有?含有因数5?

问题描述:

40,12,37,39,45,18,10,26,91,69,23,55中,奇数有?偶数有?3的陪数有?含有因数5?

奇数有37,39,45,91,69,23,55
偶数有40,12,18,10,26
3的倍数有12,39,45,18,69
含有因数5的有40,45,10,55