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Измерване на обиколката на Земята

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Слънчеви цикли

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Maan ympäryksen mittaus

4
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Measurement of the Earth Circumferance

4.5
Average: 4.5 (4 votes)
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Μέτρηση της περιφέρειας της Γης

4.5
Average: 4.5 (2 votes)
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Messung des Erdumfangs mit der Methode von Eratosthenes - Stundenbild (Guided Research Model)

4
Average: 4 (1 vote)
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Hur kan man beräkna jordens omkrets med Eratosthenes metod?

4
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En guide för månfarare eller Att utforska månen och månens yta

4
Average: 4 (1 vote)
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Att undervisa om cirkulär rörelse med hjälp av solens rotation

4
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Månens kratrar - en liten analys

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