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Author:
凉 清
GeoGebra
New Resources
三位數除以一位數（二）
第八周作业
兩組對邊相等的四邊形
柱體建築師
四邊形的特性
Discover Resources
Yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
平行四邊形有甚麼特性？
Copy of 平行四邊形的面積
蜗牛壳模型
GeoGebra创建的小游戏集
Discover Topics
Numbers
Linear Programming or Linear Optimization
Line Segment
Linear Functions
Step Functions