巧算 5.25/13.125/4*85.2

thcll2022-10-04 11:39:542条回答

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huochaiweitao 共回答了14个问题 | 采纳率100%
5.25/13.125/4*85.2
=5.25÷(13.125×4)×85.2
=5.25÷52.5×85.2
=0.1×85.2
=8.52
1年前
wefuwefj 共回答了66个问题 | 采纳率
5.25=21/4
13.125=105/8
代进去算
1年前

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=[0.525/(13.125×4)]×(85×1.01)/1.01
=0.525/[13×4+0.125×4)]×85
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=(21/4)÷(105/8)÷(4×85.2)
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