1.25×12.5+125×0.685怎么做的?

2024-11-09 06:11:23
推荐回答(2个)
回答1:

1.25×12.5+125×0.685
=1.25×12.5+1.25×68.5
=1.25×(12.5+68.5)
=1.25×81
=1.25×(80+1)
=1.25×80+1.25
=100+1.25
=101.25

回答2: