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Member for
3 yearsAge: 14-18
Level: Оценка 5
Language: Russian
(ru)
ID: 919075
17/04/2021
Country code: RU
Country: Russia
Main content: Теорема Пифагора (1983067)
Пифагор, теорема Пифагора, пифагоровы тройки
Other contents: Тест
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