如图所示的几何体是由棱长为1的小立方体按一定规律在地面上�成的.若将露出的表面都涂上颜色则第n个几何体中只有两个面涂色的小立方体的个数为 Template




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tomski如图所示的几何体是由棱长为1的小立方体按一定规律在地面上�成的.若将露出的表面都涂上颜色则第n个几何体中只有两个面涂色的小立方体的个数为 coloring