問題詳情
20. 把一個正方形的一邊增加 3，另一邊減少 3，所得的長方形和長 寬 5 的長方形相似，則原正方形之邊長為多少？
(A) 13
(B) 14
(C) 15
(D) 16
(A) 13
(B) 14
(C) 15
(D) 16
參考答案
無參考答案
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