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Member for
3 ปี 7 เดือนAge: 10-15
Level: 9
Language: Czech
(cs)
ไอดี: 1898904
24/02/2022
Country code: CZ
Country: Czechia
Main content: Jednoduché stroje (1969680)
From worksheet author:
Jednoduché stroje (nakloněná rovina, kladka, páka)
Other contents:
nakloněná rovina, kladka, páka
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