4.75÷25×101-1.9×0.1的简便计算怎么算?

2024-12-04 21:12:07
推荐回答(1个)
回答1:

4.75÷25×101-1.9×0.1
=0.19×101-0.19×1
=0.19×(101-1)
=0.19×100
=19