(2分之1+0.25)除以(2-1.25x5分之4)

2025-02-26 10:08:25
推荐回答(1个)
回答1:

(2分之1+0.25)除以(2-1.25x5分之4)
=(0.5+0.25)÷(2-1.25×0.8)
=0.75÷(2-1)
=0.75