問題詳情
57. 有一個三角形，其三個內角的度量成等差數列，且最大角為最小角的5 倍，則此三角形的最小角是幾度？
(A)20∘
(B)30∘
(C)40∘
(D)60∘
(A)20∘
(B)30∘
(C)40∘
(D)60∘
參考答案
答案：A
難度：簡單0.896471
統計：A(381),B(30),C(11),D(3),E(0)
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