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4 ปี 1 เดือนAge: 13-18
Level: klasa 7
Language: Polish
(pl)
ไอดี: 267077
10/06/2020
Country code: PL
Country: Poland
Main content: Praca moc energia (2031972)
From worksheet author:
Zasada zachowania energii mechanicznej
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![Zasada zachowania energii mechanicznej Zasada zachowania energii mechanicznej](/sites/default/files/styles/worksheet/public/def_files/2020/6/10/610120654264175/610120654264175001.jpg?itok=Rxv8W8zQ)