Member for
3 years 2 monthsAge: 13-14
Level: 7
Language: Korean
(ko)
ID: 1748433
21/12/2021
Country code: KR
Country: South Korea
Main content: 여러가지 힘 (1658779)
From worksheet author:
중력 마찰력 탄성력 부력
Other contents:
생각그물
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