论文部分内容阅读
有个木工帅傅,手中有块木板(如图中所示)要把它锯成4块,再拼一个正方形桌面,你能帮他画出式样图吗?
There is a handsome carpenter, hands in a piece of wood (as shown in the figure) to saw it into 4, and then fight a square desktop, you can help him draw a pattern?