对于平面内任意两个三角形(可以有公共部分),是否一定存在一条直线,分别平分两个三角形的面积? 知乎 Template




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tomski对于平面内任意两个三角形(可以有公共部分),是否一定存在一条直线,分别平分两个三角形的面积? 知乎 coloring