35-0.8x20.12,怎样简便计算?

2025-03-18 11:53:42
推荐回答(3个)
回答1:

还是直接算来得简便。
35-0.8x20.12
=35-16.096
=18.904。

回答2:

35-0.8×20.12
=35-16.096
=18.904

回答3:

35-0.8×20.12
=35-20.12×(1-0.2)
=35-20.12+20.12×0.2
=35-20.12+4.024
=35-20.12+4.024
=18.904