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请教(50%-15%)×S×g-S×(1+g)×10%×(1-60%)=0具体计算过程
人气:181 ℃ 时间:2020-06-28 15:06:04
解答
(50%-15%)×S×g-S×(1+g)×10%×(1-60%)=0(50%-15%)×g-(1+g)×10%×(1-60%)=035%×g-(1+g)×10%×40%=00.35×g-(1+g)×0.1×0.4=00.35×g-(1+g)×0.04=035×g-(1+g)×4=035g-4-4g=031g=4g=4/31
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