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Member for
3 years 1 monthAge: 12+
Level: druhý stupeň
Language: Czech
(cs)
ID: 853463
24/03/2021
Country code: CZ
Country: Czechia
Main content: Názvosloví, kyseliny (1325759)
názvosloví
Other contents: kyslíkaté kyselin, tvorba vzorce
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