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Member for
3 ปี 8 เดือนAge: 11-13
Level: 5
Language: Korean
(ko)
ไอดี: 362054
14/09/2020
Country code: KP
Country: North Korea
Main content: 올림, 버림, 반올림 (1149515)
올림, 버림, 반올림 활용여 문제 해결하기
Other contents: 수의 범위와 어림하기
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