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Member for
3 ปี 10 เดือนAge: 11-12
Level: 11-12
Language: Arabic
(ar)
ไอดี: 813417
14/03/2021
Country code: AE
Country: United Arab Emirates
Main content: حالات التصادم المرن (1311025)
حفظ الزخم
Other contents: قانون حفظ الزخم
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