袋里有红,白球数量比为19:13,放入若干红球后,红,白比例为5:3,再放入若干白球,红白比例为13:11.已知袋里有红,白球数量比为19:13,放入若干红球后,红,白比例为5:3,再放入若干白球,红白比
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 01:12:16
![袋里有红,白球数量比为19:13,放入若干红球后,红,白比例为5:3,再放入若干白球,红白比例为13:11.已知袋里有红,白球数量比为19:13,放入若干红球后,红,白比例为5:3,再放入若干白球,红白比](/uploads/image/z/7008212-20-2.jpg?t=%E8%A2%8B%E9%87%8C%E6%9C%89%E7%BA%A2%2C%E7%99%BD%E7%90%83%E6%95%B0%E9%87%8F%E6%AF%94%E4%B8%BA19%3A13%2C%E6%94%BE%E5%85%A5%E8%8B%A5%E5%B9%B2%E7%BA%A2%E7%90%83%E5%90%8E%2C%E7%BA%A2%2C%E7%99%BD%E6%AF%94%E4%BE%8B%E4%B8%BA5%3A3%2C%E5%86%8D%E6%94%BE%E5%85%A5%E8%8B%A5%E5%B9%B2%E7%99%BD%E7%90%83%2C%E7%BA%A2%E7%99%BD%E6%AF%94%E4%BE%8B%E4%B8%BA13%3A11.%E5%B7%B2%E7%9F%A5%E8%A2%8B%E9%87%8C%E6%9C%89%E7%BA%A2%EF%BC%8C%E7%99%BD%E7%90%83%E6%95%B0%E9%87%8F%E6%AF%94%E4%B8%BA19%3A13%EF%BC%8C%E6%94%BE%E5%85%A5%E8%8B%A5%E5%B9%B2%E7%BA%A2%E7%90%83%E5%90%8E%EF%BC%8C%E7%BA%A2%EF%BC%8C%E7%99%BD%E6%AF%94%E4%BE%8B%E4%B8%BA5%3A3%EF%BC%8C%E5%86%8D%E6%94%BE%E5%85%A5%E8%8B%A5%E5%B9%B2%E7%99%BD%E7%90%83%EF%BC%8C%E7%BA%A2%E7%99%BD%E6%AF%94)
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