{9分之8减15分之4}÷3分之2

2024-12-23 07:21:22
推荐回答(2个)
回答1:

{9分之8减15分之4}÷3分之2
=(40/45-12/45)x3/2
=28/45x3/2
=14/15

回答2:

=(40/45-12/45)×3/2
=28/45×3/2
=14/15