要挖一个长方体的水池，计划蓄水12000立方米．水池长60米，宽40米，应该挖_1米深．水池建成后，每分钟向池里放水60立方米，放了20分钟，水深_2米．_刷题宝

题干

要挖一个长方体的水池，计划蓄水12000立方米．水池长60米，宽40米，应该挖____米深．水池建成后，每分钟向池里放水60立方米，放了20分钟，水深____米．

上一题下一题 0.0难度选择题更新时间:2012-08-14 02:59:16

答案(点此获取答案解析）

5,0.5

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