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4 ปี 5 เดือนAge: 8-10
Level: year 4
Language: English
(en)
ไอดี: 241448
30/05/2020
Country code: ES
Country: Spain
Main content: Simple machines (2007747)
From worksheet author:
Evaluation of unit 6 natural science simple machines
Other contents:
livers pulleys inclined planes
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