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一个污水处理厂要建 4 个大型的污水处理池（

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一个污水处理厂要建 4 个大型的污水处理池（无盖），每个池长 30 米，宽8 米，深 4 米。问：（1）4 个处理池的占地面积是多大？（2）如果要在四周和底面抹水泥，抹水泥的面积是多少平方米？（3）全部蓄满水，能装多少立方米？

参考答案:

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注：底面积 = 一个底面积×4 或把它看作长 60 米，宽 16 米的大长方形（四个水池也可能有其他摆法）。

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