100以内3的倍数有几个 哪几个

问题描述:

100以内3的倍数有几个 哪几个

100以内3的倍数有99÷3=33个 :
3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99