如圖,可見所求陰影麵積等=小正方形麵積=1/5原正方形麵積=36/5
• 問一下,小學生如何證明五塊相同,尤其是中間那塊 -15少- ♂ (0 bytes) () 01/16/2024 postreply 10:59:39
• 小學生隻能通過剪切平移旋轉對稱來直觀理解,並無嚴格證明 -萬斤油- ♂ (0 bytes) () 01/16/2024 postreply 19:16:51
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