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五邊形面積=4具體解法沒有想出來,如果是選擇題或者填空題的話,可以這樣考慮:假設AE=x,那麼BC=2-xx的取值在0到2之間,不論取多少,這個五邊形的面積都應該是一樣的,如果不一樣,出題老師就有問題,也就是條件不够.好了,…
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