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Jiawen Yun
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Jiawen Yun
GeoGebra
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第八周作业
漂亮的摇摆曲线
多邊形的面積
兩位數除以一位數（二）
探究三角形的全等條件
Discover Resources
Geogebra 教學
test
二次函數03
奠基
四邊形ADFE的面積是多少？
Discover Topics
Geometric Distribution
Coordinates
Symmetry
Sphere
Multiplication