1.16又5分之4+(2又7分之4-1.8) 2.(111+999)÷[56×(7分之3-8分之3] 3. 45×(9分之7+15分之4-0.6)

2024-11-07 21:10:34
推荐回答(2个)
回答1:

897×8分之3-37.5%+104×0.375
=897*0.375-0.375+104*0.375
=0.375*(897-1+104)
=0.375*1000
=375
3.5×1又4分之1+1.25×2又10分之7+3.8÷5分之4
=3.5*1.25+1.25*2.7+3.8*1.25
=1.25*(3.5+2.7+3.8)
=1.25*10
=12.5

回答2:

-15又1/3--3又7分之一-4又3分之2+8又7分之1=