1.87×9.9 +0.187的简便运算?

2025-01-21 08:50:07
推荐回答(1个)
回答1:

1.87×9.9+0.187
=1.87×9.9+1.87×0.1
=1.87×(9.9+0.1)
=1.87×10
=18.7