问题描述： 蛋糕三刀切八块如题 1个回答 分类：综合 2014-11-16 问题解答： 我来补答 Divide the cake into 8 pieces by 3 cut.First you cut a cross on the cake,so it is divided into 4 pieces.Then you cut on the lateral side,it is divided into 8 pieces. 展开全文阅读
