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Member for
3 years 7 monthsAge: 10-15
Level: grade6
Language: Korean
(ko)
ID: 400472
05/10/2020
Country code: KP
Country: North Korea
Main content: 물질이 타는현상 (1162963)
From worksheet author:
과학 science
Other contents:
물질이 타는현상
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