1,3,4,12,19,54,87,417,13,398那几个数是奇数,偶数,质数,合数.
问题描述:
1,3,4,12,19,54,87,417,13,398那几个数是奇数,偶数,质数,合数.
答
奇数:1,3,19,87,417,13
1,3,4,12,19,54,87,417,13,398那几个数是奇数,偶数,质数,合数.
奇数:1,3,19,87,417,13