Member for
4 ปี 5 เดือนAge: 15
Level: 2
Language: Korean
(ko)
ไอดี: 890363
07/04/2021
Country code: KR
Country: South Korea
Main content: 물질의 구성 (2002137)
From worksheet author:
전하를 띠는 이온에 관한 학습지
Other contents:
이온
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