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Physics, 22.06.2019 14:30
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Physics, 22.06.2019 23:00
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Afallen tree is lifted 2.75 meters how much work is done...
Mathematics, 28.11.2019 19:31
History, 28.11.2019 19:31
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Mathematics, 28.11.2019 19:31
Mathematics, 28.11.2019 19:31