問題詳情
12. 一具 4 kW，4 人份之儲熱式電熱水器，每日熱水器所需平均加熱時間為 30 分鐘。若電力公司電費為每度 2.3 元，則每人份每月(30 日)平均之熱水器電費為何？
(A)138.0 元
(B) 57.5 元
(C) 34.5 元
(D) 30.7 元
(A)138.0 元
(B) 57.5 元
(C) 34.5 元
(D) 30.7 元
參考答案
無參考答案
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