75乘以799加75用简便方法计算
问题描述:
75乘以799加75用简便方法计算
答
75×799 +75
=75×(799+1)
=75×800
=60000谢谢了
75乘以799加75用简便方法计算
75×799 +75
=75×(799+1)
=75×800
=60000谢谢了