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Member for
2 years 10 monthsAge: 10-12
Level: 4-6
Language: Chinese
(zh)
ID: 1427251
22/09/2021
Country code: MY
Country: Malaysia
Main content: 支点 (1536816)
From worksheet author:
简单机械： 杠杆 - 支点
Other contents:
支点
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