問題詳情
30. 某段路橋全長 10 公里，有一輛摩托車以每小時 30 公里到 50 公里之間的速率通過該路橋。下列何者可能是該車通過路橋所花的時間？
(A) 7 分鐘
(B) 9 分鐘
(C) 11 分鐘
(D) 13 分鐘
(A) 7 分鐘
(B) 9 分鐘
(C) 11 分鐘
(D) 13 分鐘
參考答案
無參考答案
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