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题有六个完全相同的杯子,其中一个盛满热水,如果利用杯子的吸热作用使热水的温度降低,可以把热水注入其余的五个冷杯子中,让杯子吸收热水的热量.怎样注入热水可以获得最佳冷却效果呢?
There are six identical cups, one of which is filled with hot water. If the endothermic effect of the cup is used to lower the temperature of the hot water, hot water can be poured into the remaining five cold cups to allow the cup to absorb the heat of the hot water. How to inject hot water to obtain the best cooling effect?