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
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問一下,小學生如何證明五塊相同,尤其是中間那塊
-15少-
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01/16/2024 postreply
10:59:39
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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-
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01/16/2024 postreply
19:16:51
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