两道初二物理计算题1.甲乙两块金属,甲的密度为乙的2/5倍.乙的质量为甲的2倍,甲的体积为乙的几倍?2.铜球和铝球密度之比为89:27,分别用铜和铝制成质量和横截面积均相同的导线,则铜线和铝
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![两道初二物理计算题1.甲乙两块金属,甲的密度为乙的2/5倍.乙的质量为甲的2倍,甲的体积为乙的几倍?2.铜球和铝球密度之比为89:27,分别用铜和铝制成质量和横截面积均相同的导线,则铜线和铝](/uploads/image/z/10236709-37-9.jpg?t=%E4%B8%A4%E9%81%93%E5%88%9D%E4%BA%8C%E7%89%A9%E7%90%86%E8%AE%A1%E7%AE%97%E9%A2%981.%E7%94%B2%E4%B9%99%E4%B8%A4%E5%9D%97%E9%87%91%E5%B1%9E%2C%E7%94%B2%E7%9A%84%E5%AF%86%E5%BA%A6%E4%B8%BA%E4%B9%99%E7%9A%842%2F5%E5%80%8D.%E4%B9%99%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%BA%E7%94%B2%E7%9A%842%E5%80%8D%2C%E7%94%B2%E7%9A%84%E4%BD%93%E7%A7%AF%E4%B8%BA%E4%B9%99%E7%9A%84%E5%87%A0%E5%80%8D%3F2.%E9%93%9C%E7%90%83%E5%92%8C%E9%93%9D%E7%90%83%E5%AF%86%E5%BA%A6%E4%B9%8B%E6%AF%94%E4%B8%BA89%EF%BC%9A27%2C%E5%88%86%E5%88%AB%E7%94%A8%E9%93%9C%E5%92%8C%E9%93%9D%E5%88%B6%E6%88%90%E8%B4%A8%E9%87%8F%E5%92%8C%E6%A8%AA%E6%88%AA%E9%9D%A2%E7%A7%AF%E5%9D%87%E7%9B%B8%E5%90%8C%E7%9A%84%E5%AF%BC%E7%BA%BF%2C%E5%88%99%E9%93%9C%E7%BA%BF%E5%92%8C%E9%93%9D)
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