Не достаточно данных

10-June-2015 Wednesday
In a glass of water, in the water is a stone frozen in a piece of ice. After the ice melts...


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In a glass of water, in the water is a stone frozen in a piece of ice. After the ice melts...
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Task Задача, Не достаточно данных Не достаточно данных Physics Не достаточно данных, Физика
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