問題詳情
6. 二平行線 
同時與一個面積為5π的圓相切，k>0，試求k值？
(A)
(B)
(C)
(D)5。
同時與一個面積為5π的圓相切，k>0，試求k值？(A)
(B)
(C)
(D)5。
參考答案
答案：C
難度：適中0.428571
統計：A(2),B(2),C(3),D(0),E(0)
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