1.一只空玻璃杯的质量为300克,装满水后的总质量为700克,若将200克的颗粒状的沙子缓慢的浸没到玻璃杯中,称得玻璃杯的总质量为820克,且玻璃杯的容积为400cm^3.求:沙子的密度.2.空心的金属球
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![1.一只空玻璃杯的质量为300克,装满水后的总质量为700克,若将200克的颗粒状的沙子缓慢的浸没到玻璃杯中,称得玻璃杯的总质量为820克,且玻璃杯的容积为400cm^3.求:沙子的密度.2.空心的金属球](/uploads/image/z/5028120-0-0.jpg?t=1.%E4%B8%80%E5%8F%AA%E7%A9%BA%E7%8E%BB%E7%92%83%E6%9D%AF%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%BA300%E5%85%8B%2C%E8%A3%85%E6%BB%A1%E6%B0%B4%E5%90%8E%E7%9A%84%E6%80%BB%E8%B4%A8%E9%87%8F%E4%B8%BA700%E5%85%8B%2C%E8%8B%A5%E5%B0%86200%E5%85%8B%E7%9A%84%E9%A2%97%E7%B2%92%E7%8A%B6%E7%9A%84%E6%B2%99%E5%AD%90%E7%BC%93%E6%85%A2%E7%9A%84%E6%B5%B8%E6%B2%A1%E5%88%B0%E7%8E%BB%E7%92%83%E6%9D%AF%E4%B8%AD%2C%E7%A7%B0%E5%BE%97%E7%8E%BB%E7%92%83%E6%9D%AF%E7%9A%84%E6%80%BB%E8%B4%A8%E9%87%8F%E4%B8%BA820%E5%85%8B%2C%E4%B8%94%E7%8E%BB%E7%92%83%E6%9D%AF%E7%9A%84%E5%AE%B9%E7%A7%AF%E4%B8%BA400cm%5E3.%E6%B1%82%EF%BC%9A%E6%B2%99%E5%AD%90%E7%9A%84%E5%AF%86%E5%BA%A6.2.%E7%A9%BA%E5%BF%83%E7%9A%84%E9%87%91%E5%B1%9E%E7%90%83)
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