一樣是數學… - 推理遊戲

By Isabella
at 2009-03-13T02:17
at 2009-03-13T02:17
Table of Contents
一鹽水溶液涵鹽12%,另一水溶液含鹽4%,
則後者須幾公斤加入前者24公斤,以得10%知溶液?
自認小聰明的我敗在降的題目上= =
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則後者須幾公斤加入前者24公斤,以得10%知溶液?
自認小聰明的我敗在降的題目上= =
--
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推理遊戲
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By Jessica
at 2009-03-17T02:50
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at 2009-03-17T21:36
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