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一个200立方厘米的圆柱形罐,底面和顶盖材料成本10元/平方厘米,侧面成本6元/平方厘米。确定最小化成本的尺寸。
一个200立方厘米的圆柱形罐,底面和顶盖材料成本10元/平方厘米,侧面成本6元/平方厘米。确定最小化成本的尺寸。
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