11/11/15 10:47:55.24
＜今週の問題：英語で数学Part4＞
Glue together 3 cubes, whose edges are 3, 6 and 9 centimeters long, at their faces.
Find the minimum surface area.
11/11/15 10:47:55.24
＜今週の問題：英語で数学Part4＞
Glue together 3 cubes, whose edges are 3, 6 and 9 centimeters long, at their faces.
Find the minimum surface area.