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Member for
2 ปี 5 เดือนAge: 15-18
Level: 11
Language: Indonesian
(id)
ไอดี: 1899084
24/02/2022
Country code: ID
Country: Indonesia
Main content: Vektor (2009838)
From worksheet author:
Vektor di dimensi tiga
Other contents:
vektor R3
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