0,1,2,二又二分之一,-102,4.6,-5.8,42.7,399,5,-2,4,10,11这几个数中谁是自然数,谁是整数,谁是质数
问题描述:
0,1,2,二又二分之一,-102,4.6,-5.8,42.7,399,5,-2,4,10,11这几个数中谁是自然数,谁是整数,谁是质数
答
自然数:0,1,2,8,399,5,4,10,11
整数:0,1,2,-102,399,5,-2,4,10,11
质数:2,11