1、金放在水里,重量减轻19分之1,银放在水里重量减轻10分之1,一块金与银的合金770克,放在水里称,减轻了50克,求这块合金里含金和银各多少克?2、甲乙两人在环形跑道上赛跑,他们从同一地点出
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![1、金放在水里,重量减轻19分之1,银放在水里重量减轻10分之1,一块金与银的合金770克,放在水里称,减轻了50克,求这块合金里含金和银各多少克?2、甲乙两人在环形跑道上赛跑,他们从同一地点出](/uploads/image/z/1246338-18-8.jpg?t=1%E3%80%81%E9%87%91%E6%94%BE%E5%9C%A8%E6%B0%B4%E9%87%8C%2C%E9%87%8D%E9%87%8F%E5%87%8F%E8%BD%BB19%E5%88%86%E4%B9%8B1%2C%E9%93%B6%E6%94%BE%E5%9C%A8%E6%B0%B4%E9%87%8C%E9%87%8D%E9%87%8F%E5%87%8F%E8%BD%BB10%E5%88%86%E4%B9%8B1%2C%E4%B8%80%E5%9D%97%E9%87%91%E4%B8%8E%E9%93%B6%E7%9A%84%E5%90%88%E9%87%91770%E5%85%8B%2C%E6%94%BE%E5%9C%A8%E6%B0%B4%E9%87%8C%E7%A7%B0%2C%E5%87%8F%E8%BD%BB%E4%BA%8650%E5%85%8B%2C%E6%B1%82%E8%BF%99%E5%9D%97%E5%90%88%E9%87%91%E9%87%8C%E5%90%AB%E9%87%91%E5%92%8C%E9%93%B6%E5%90%84%E5%A4%9A%E5%B0%91%E5%85%8B%3F2%E3%80%81%E7%94%B2%E4%B9%99%E4%B8%A4%E4%BA%BA%E5%9C%A8%E7%8E%AF%E5%BD%A2%E8%B7%91%E9%81%93%E4%B8%8A%E8%B5%9B%E8%B7%91%2C%E4%BB%96%E4%BB%AC%E4%BB%8E%E5%90%8C%E4%B8%80%E5%9C%B0%E7%82%B9%E5%87%BA)
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