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Heavens above

5
Average: 5 (1 vote)
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Ток в полупроводници, полупроводников диод

3.5
Average: 3.5 (2 votes)
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Colourful Chemistry

4
Average: 4 (3 votes)
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Varikasta kemiaa 1

3.5
Average: 3.5 (2 votes)
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Movement of Heavenly Bodies – Earth and Moon

3.666665
Average: 3.7 (3 votes)
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Arbeitsblatt Shoemaker Levy 9

5
Average: 5 (1 vote)
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mars a living planet

4.76923
Average: 4.8 (13 votes)
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Varikasta kemiaa

5
Average: 5 (2 votes)
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Current in semiconductors semiconducting diode

5
Average: 5 (2 votes)
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