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Member for
2 years 3 monthsAge: 13-18
Level: Оксиды
Language: Russian
(ru)
ID: 2266246
14/01/2023
Country code: RU
Country: Russia
Main content: Химия (1982419)
From worksheet author:
Классификация и химические свойства оксидов
Other contents:
Химия
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