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Member for
3 ปี 11 เดือนAge: 8-10
Level: Tercer grado de primaria
Language: Spanish
(es)
ไอดี: 342513
30/08/2020
Country code: PE
Country: Peru
Main content: Ecuaciones de primer grado (2012985)
Ecuaciones de la forma x+ b = c ; x - b = c
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