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例1 冰块放在盛有水的烧杯中并浮在水面上,试说明当冰全部熔化后,烧杯中水面高低的变化情况.分析用 m_水表示冰块的质量,设冰块未熔化前它所排开水的体积为 V_排,全部熔化成
Example 1 The ice cubes were placed in a beaker filled with water and floated on the surface of the water. The change of the water level in the beakers after the ice was completely melted was analyzed. The mass of the ice cubes was analyzed using m_water and the ice cubes were not melted. Before the volume of water it drained was V_row, all melted into