2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20讲了什么?
问题描述:
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20讲了什么?
多点
答
讲了数字加减乘除
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20讲了什么?
多点
讲了数字加减乘除