問題詳情
13.摩斯碼 ( · ─ ─ ─ ─ ) 係表示那一個數字？
(A)1
(B)3
(C)6
(D)7
(A)1
(B)3
(C)6
(D)7
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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