100以内既是奇数又是合数的是几?
问题描述:
100以内既是奇数又是合数的是几?
答
9,15,21,25,27,33,35,39,45,49,51,55,57,63,65,69,75,77,81,85,87,91,93,95,99
100以内既是奇数又是合数的是几?
9,15,21,25,27,33,35,39,45,49,51,55,57,63,65,69,75,77,81,85,87,91,93,95,99