1-60的合数有哪些
问题描述：
1-60的合数有哪些
答
,4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,40,42,44,45,46,48,49,50,51,52,54,55,56,57.58,59,60.也就是除了1和质数2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53剩下的都是合数...