发布时间:2025-01-25 09:16:33
其实关键是你的问题有问题。
梯形面积(上底加下底的和再乘高除2)乘厚度等于体积,这应该是没有问题的。
下底是18米,高是7米,厚度是6米,其他都有了,关键是你上底是多少?
现在农村盖房子大概多少钱一平方2022农村自建房造价多少钱一平
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