5乘以99加5用简便方法怎么算
问题描述:
5乘以99加5用简便方法怎么算
答
5×99+5
=5×(99+1)
=5×100
=500
5乘以99加5用简便方法怎么算
5×99+5
=5×(99+1)
=5×100
=500