铝球的体积为400平方厘米,质量为810g,空心部分注满水体积为多少,问:1,该球是空心还是实心的?2,如果是空心的,空心部分的面积有多大?3,若在空心部分注满水,则这个球的质量为多大?(p铝=2.7
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![铝球的体积为400平方厘米,质量为810g,空心部分注满水体积为多少,问:1,该球是空心还是实心的?2,如果是空心的,空心部分的面积有多大?3,若在空心部分注满水,则这个球的质量为多大?(p铝=2.7](/uploads/image/z/902388-12-8.jpg?t=%E9%93%9D%E7%90%83%E7%9A%84%E4%BD%93%E7%A7%AF%E4%B8%BA400%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%2C%E8%B4%A8%E9%87%8F%E4%B8%BA810g%2C%E7%A9%BA%E5%BF%83%E9%83%A8%E5%88%86%E6%B3%A8%E6%BB%A1%E6%B0%B4%E4%BD%93%E7%A7%AF%E4%B8%BA%E5%A4%9A%E5%B0%91%2C%E9%97%AE%EF%BC%9A1%2C%E8%AF%A5%E7%90%83%E6%98%AF%E7%A9%BA%E5%BF%83%E8%BF%98%E6%98%AF%E5%AE%9E%E5%BF%83%E7%9A%84%3F2%2C%E5%A6%82%E6%9E%9C%E6%98%AF%E7%A9%BA%E5%BF%83%E7%9A%84%2C%E7%A9%BA%E5%BF%83%E9%83%A8%E5%88%86%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%9C%89%E5%A4%9A%E5%A4%A7%3F3%2C%E8%8B%A5%E5%9C%A8%E7%A9%BA%E5%BF%83%E9%83%A8%E5%88%86%E6%B3%A8%E6%BB%A1%E6%B0%B4%2C%E5%88%99%E8%BF%99%E4%B8%AA%E7%90%83%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%BA%E5%A4%9A%E5%A4%A7%3F%EF%BC%88p%E9%93%9D%3D2.7)
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