Member for
2 ปี 11 เดือนAge: 10-12
Level: 4-6
Language: Chinese
(zh)
ไอดี: 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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![四年级科学:杠杆 四年级科学:杠杆](/sites/default/files/styles/worksheet/public/def_files/2021/9/22/109220446272177578/109220446272177578001.jpg?itok=E4oscUG5)
![四年级科学:杠杆 四年级科学:杠杆](/sites/default/files/styles/worksheet/public/def_files/2021/9/22/109220446272177578/109220446272177578002.jpg?itok=XcOhJs11)
![四年级科学:杠杆 四年级科学:杠杆](/sites/default/files/styles/worksheet/public/def_files/2021/9/22/109220446272177578/109220446272177578003.jpg?itok=fao9LwY2)