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設甲庫有7x噸,乙庫有8x噸.列方程式如下: 7x+6=8x×(1-1/4)+14 7x+6=8x×0.75+14 7x-6x=14-6 x=8 答:甲庫原有7x噸=56噸,乙庫原的8x噸=64噸 驗算:56+6=62 64×0.75=48 62-48=14 驗算正確,祝好,再見.
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