問題詳情
32. 有甲、乙兩個大小不同的水桶,容量分別為xy公升,且已各裝一些水。若將甲中的水全倒入乙後,乙只可再裝20公升的水;若將乙中的水倒入甲,裝滿甲水桶後,乙還剩10公升的水,則xy的關條為何?
(A) y = 20 − x
(B) y = x + 10
(C) y = x + 20
(D) y = x + 30
(A) y = 20 − x
(B) y = x + 10
(C) y = x + 20
(D) y = x + 30
參考答案
無參考答案
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