发布时间:2025-02-04 05:58:31
你这个应该是梯形柱子,共有6个面,求表面积的话,除了顶和底是长方形外,余下4个是梯形;
设:H=高,A=上宽,B=下宽,C=上长,D=下长;
那么 S = A*C + B*D + 2*H*(A+B)/2 + 2*H*(C+D)/2;
戴尔xps 13和雷蛇razer book 13哪个好雷蛇戴尔对比评测
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