問題詳情
58. 若∣x+2y-7∣+∣2x-y-4∣+∣x-y+k∣=0，則 k=？
(A) -1
(B) 1
(C) -5
(D) 5
(A) -1
(B) 1
(C) -5
(D) 5
參考答案
答案：A
難度：簡單0.783051
統計：A(231),B(37),C(17),D(10),E(0)
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