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Member for
2 ปี 6 เดือนAge: 12-17
Level: 2º ESO
Language: Spanish
(es)
ไอดี: 1803119
17/01/2022
Country code: ES
Country: Spain
Main content: Máquinas y mecanismos (2037213)
From worksheet author:
Problemas muy sencillos de palancas
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