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yinji2010

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[ Last edited by yinji2010 on 2010-3-29 at 11:18 ]

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rektor2008

a picture says thousands words.

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The Square is shown as the demostration. The square is folded along the line CD. After the fold, line EF is completely overlapped by Line AB .
The line ABC is folded at the mid-point B.
2Â¥2010-03-29 12:36:45
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sammi_deng

½ð³æ (ÕýʽдÊÖ)

yinji2010(½ð±Ò+5): 2010-03-29 16:57
Line AB will be folded to the line EF along the line CD, then fold the point
A to the point C.
3Â¥2010-03-29 12:50:56
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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