大神这两题怎么做?
3个回答
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解答如下:
[3.75-(0.2+1/3)×4½]÷12.5%
=[3.75-(1/5+1/3)×(9/2)]÷12.5%
=[3.75-(3/15+5/15)×(9/2)]÷12.5%
=[3.75-(8/15)×(9/2)]÷12.5%
=[3.75-(4/5)×3]÷12.5%
=[3.75-(12/5)]÷12.5%
=(3.75-2.4)÷12.5%
=1.35÷12.5%
=1.35÷0.125
=10.8
[3.75-(0.2+1/3)×4½]÷12.5%
=[3.75-(1/5+1/3)×(9/2)]÷12.5%
=[3.75-(3/15+5/15)×(9/2)]÷12.5%
=[3.75-(8/15)×(9/2)]÷12.5%
=[3.75-(4/5)×3]÷12.5%
=[3.75-(12/5)]÷12.5%
=(3.75-2.4)÷12.5%
=1.35÷12.5%
=1.35÷0.125
=10.8
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[3.75-(0.2+1/3)x4.5]÷12.5%
=[3.75-0.2x4.5-1/3x4.5]÷0.125
=[3.75-0.9-1.5]x8
=1.35x8
=10.8
望采纳,谢谢
=[3.75-0.2x4.5-1/3x4.5]÷0.125
=[3.75-0.9-1.5]x8
=1.35x8
=10.8
望采纳,谢谢
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