[中學] 消失的面積
學生拿國一寒假數學作業來問我,
題目如下方網址:
http://www.madphysics.com/ask/triangle_brain_twister.htm
為什麼用四塊相同的拼圖,經移動後居然會多一格?
想很久仍得不到合理解釋,懇請高手指點一下,萬分感恩^^
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