用直角坐标来说。
3X8的纸片覆盖(0,0)到 (3,8)的矩形。
(1,0)-〉(1,4)—〉(2,4)-〉(2,8)
用直角坐标来说。
3X8的纸片覆盖(0,0)到 (3,8)的矩形。
(1,0)-〉(1,4)—〉(2,4)-〉(2,8)
•
同样的想法可剪2X12盖3X8。剪缝1+4+1=5。
-wxcfan123-
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02/18/2013 postreply
07:36:07
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