問題詳情
15. 從 1,2,3,4,5,6,7,8,9 中 ， 任 取 兩 相 異 數 ， 則 其 積 為 3 的 倍 數 的 機 率 為 多 少 ？
(A)
(B)
(C)
(D)
。
(A)
(B)
(C)
(D)
。
參考答案
答案：[無官方正解]
難度：非常困難0
統計：A(0),B(1),C(0),D(0),E(0)
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