Acide Base
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1:12:30
حصة منهجية كيفية الاجابة part 2
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14:58
Acide base Partie 1 | 2eme science et info
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26:47
Alice Weidel - die AfD-Chefin im Porträt
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2:19:21
Letzte TV-Debatte vor der Bundestagswahl | Analyse und Aussagencheck bei ZDFheute live
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9:26
Les acides et les bases
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32:02
correction exercice onde1
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5:39
Qu'est-ce que le pH ? Acide, basique, neutre | Collège | Physique Chimie
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4:46