1.一杯酒,酒精含量45%,若加水16克,酒精含量变成25%,问:原来有酒多少克?2.浓度为45%和5%的糖水,制成了30%的糖水4000克 ,需45%的糖水多少克?请写出过程.写得好提高赏分.
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 09:42:23
![1.一杯酒,酒精含量45%,若加水16克,酒精含量变成25%,问:原来有酒多少克?2.浓度为45%和5%的糖水,制成了30%的糖水4000克 ,需45%的糖水多少克?请写出过程.写得好提高赏分.](/uploads/image/z/665366-14-6.jpg?t=1.%E4%B8%80%E6%9D%AF%E9%85%92%2C%E9%85%92%E7%B2%BE%E5%90%AB%E9%87%8F45%25%2C%E8%8B%A5%E5%8A%A0%E6%B0%B416%E5%85%8B%2C%E9%85%92%E7%B2%BE%E5%90%AB%E9%87%8F%E5%8F%98%E6%88%9025%25%2C%E9%97%AE%EF%BC%9A%E5%8E%9F%E6%9D%A5%E6%9C%89%E9%85%92%E5%A4%9A%E5%B0%91%E5%85%8B%3F2.%E6%B5%93%E5%BA%A6%E4%B8%BA45%25%E5%92%8C5%25%E7%9A%84%E7%B3%96%E6%B0%B4%2C%E5%88%B6%E6%88%90%E4%BA%8630%25%E7%9A%84%E7%B3%96%E6%B0%B44000%E5%85%8B+%2C%E9%9C%8045%25%E7%9A%84%E7%B3%96%E6%B0%B4%E5%A4%9A%E5%B0%91%E5%85%8B%3F%E8%AF%B7%E5%86%99%E5%87%BA%E8%BF%87%E7%A8%8B.%E5%86%99%E5%BE%97%E5%A5%BD%E6%8F%90%E9%AB%98%E8%B5%8F%E5%88%86.)
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