1-20总中,质数、合数、奇数、偶数有哪些答:质数2,3,5,7,11,13,17,19、合数4,6,8,9,10,12,14,15,16,18,20、奇数1,3,5,7,9,11,13,15,17,19、偶数2,4,6,8,10,12,14,16,18,20
...203,514,637,999这些数哪些是质数,合数,奇数,偶数。谢谢答:质数:1,2,3,5,7,17,107 合数:4,9,12,14,29,34,91,88,203,514,637,999 奇数:1,3,5,7,9,17,29,91,107,203,637,999 偶数:2,4,12,14,34,88,514 质数指的是只能被1和它本身整除的数,与合数相对应 奇数指的是不能被2整除的数,与偶数相对应 ...