30各数中,质数、合数、奇数、偶数、3的倍数、5的倍数、2和3的倍数、3和5的倍数、2、3和5的倍数各有哪些_数学解答

30各数中,质数、合数、奇数、偶数、3的倍数、5的倍数、2和3的倍数、3和5的倍数、2、3和5的倍数各有哪些

人气：467 ℃　时间：2019-08-18 16:49:11

解答

1-30中质数有：2,3,5,7,11,13,17,19,23,29合数有：4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30奇数有：1,3,5,7,9,11,13,15,17,19,21,23,25,27,29偶数有：2,4,6,8,10,12,14,16,18,20,22,24,26,28,303的倍...