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Member for
3 ปี 11 เดือนAge: 11-14
Level: 7 klasa
Language: Polish
(pl)
ไอดี: 186528
13/05/2020
Country code: PL
Country: Poland
Main content: Kwadrat (1115634)
zastosowanie twierdzenia Pitagorasa
Other contents: twierdzenie Pitagorasa
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