5 分之3×9 9+

月黑风寒2022-10-04 11:39:542条回答

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殷杰 共回答了16个问题 | 采纳率87.5%
10分之7×101-10分7
=10分之7×(101-1)
=10分之7×100
=70
5 分之3×9 9+ 5分之3
=5 分之3×(99+1)
=5 分之3×100
=60
1年前
exlidanhue 共回答了12个问题 | 采纳率
(1)、7/10*101-7/10 (2)、3/5*9+3/5
=7/10*(101-1) =3/5*(9+1)
=7/10*1...
1年前

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