2. 在直角三角形 ABC中,∠C = 90°, = b,令x =且滿足13xy=15(x+y)-15,則x+y之值為下列何者? (A) 1 (B) (C) 2(D)

問題詳情

2. 在直角三角形 ABC中,∠C = 90°,

= b,令x =

且滿足13xy=15(x+y)-15,則x+y之值為下列何者?

(A) 1
(B)

(C) 2
(D)

參考答案

答案：B

統計：A:0,B:2,C:0,D:0,E:0

難度：計算中

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