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某市居民自来水收费标准如下：每户每月用水4吨以下，每吨1.8元．当超过4吨时，超过部分每吨3元．某月，甲、乙两户共交水费26.4元，甲、乙用水量的比是5：3，甲、乙两户各应交水费多少元？
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教案备课库《2016年6月新人教版小升初数学模拟试卷（48）》真题及答案
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