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Member for
3 ปี 10 เดือนAge: 12+
Level: secundaria
Language: Spanish
(es)
ไอดี: 288728
28/06/2020
Country code: BO
Country: Bolivia
Main content: Óxidos (2005559)
reforzando la nomenclatura y notación de óxidos
Other contents: notación y nomenclatura
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