1/3-35%+1/4
=1/3+1/4-35%
=7/12-7/20
=35/60-21/60
=14/60
=7/30 (30分之7)
百分数脱式计算,4分之3减0.5乘12.5%
3/4-0.5*12.5%
=3/4-1/2*1/8
=3/4-1/16
=11/16
4分之3×47%×5分之4
=4分之3×5分之4×47%
=5分之3×100分之47
=500分之141
那该剩的先剩 然后化百分比利算
(1-48%)X8分之9
=52/100X(9/8)
=13X9/(25X8)
=117/200
=200分之117
(1-48%)×9/8
=52%×9/8
=52/100×9/8
=0.585
4×5/8+62.5%×7-0.625
=0.625×(4+7-1)
=0.625×10
=6.25
请点采纳谢谢
百分数脱式计算
8.25减8分之5乘37.5%
=8又1/4-5/8x3/8
=8又1/4-15/64
=8又16/64-15/64
=8又1/64
20分之9=百分之四十五=9\20 50分之13=百分之二十六百分数 5分之4=百分之八十