有黄铜制成的圆锥,质量是77.244克,底面半径是3厘米,若每立方厘米黄铜重8.2克,这个圆锥的高是多少厘米?甲乙丙三村合修一条公路,修完后甲村受益是丙村的3倍,乙村收益的3分之4等于甲村受益
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![有黄铜制成的圆锥,质量是77.244克,底面半径是3厘米,若每立方厘米黄铜重8.2克,这个圆锥的高是多少厘米?甲乙丙三村合修一条公路,修完后甲村受益是丙村的3倍,乙村收益的3分之4等于甲村受益](/uploads/image/z/3924687-39-7.jpg?t=%E6%9C%89%E9%BB%84%E9%93%9C%E5%88%B6%E6%88%90%E7%9A%84%E5%9C%86%E9%94%A5%2C%E8%B4%A8%E9%87%8F%E6%98%AF77.244%E5%85%8B%2C%E5%BA%95%E9%9D%A2%E5%8D%8A%E5%BE%84%E6%98%AF3%E5%8E%98%E7%B1%B3%2C%E8%8B%A5%E6%AF%8F%E7%AB%8B%E6%96%B9%E5%8E%98%E7%B1%B3%E9%BB%84%E9%93%9C%E9%87%8D8.2%E5%85%8B%2C%E8%BF%99%E4%B8%AA%E5%9C%86%E9%94%A5%E7%9A%84%E9%AB%98%E6%98%AF%E5%A4%9A%E5%B0%91%E5%8E%98%E7%B1%B3%3F%E7%94%B2%E4%B9%99%E4%B8%99%E4%B8%89%E6%9D%91%E5%90%88%E4%BF%AE%E4%B8%80%E6%9D%A1%E5%85%AC%E8%B7%AF%2C%E4%BF%AE%E5%AE%8C%E5%90%8E%E7%94%B2%E6%9D%91%E5%8F%97%E7%9B%8A%E6%98%AF%E4%B8%99%E6%9D%91%E7%9A%843%E5%80%8D%2C%E4%B9%99%E6%9D%91%E6%94%B6%E7%9B%8A%E7%9A%843%E5%88%86%E4%B9%8B4%E7%AD%89%E4%BA%8E%E7%94%B2%E6%9D%91%E5%8F%97%E7%9B%8A)
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