An open box is to be made by cutting a square from each corn

An open box is to be made by cutting a square from each corner of a 12-in.by 12-in.Piece of metal and then folding up the side.
xiaoxin007 1年前 已收到1个回答 举报

nazfwhj 幼苗

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一个拆开的盒子就是将一张12x12英寸的铁板的每个角切开使成正方形,然后将各而折起来.

1年前

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