8.75ᠧ9.9+0.875的简便方法?

2025-04-04 01:06:54
推荐回答(1个)
回答1:

解:简便计算方法如下
8.75×9.9+0.875
=8.75×9.9+8.75×0.1
=8.75×(9.9+0.1)
=8.75×10
=87.5