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Author:
kellyng895130
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
GeoGebra笔记功能体验课件
兩位數加法
四邉形 (四年級) 教師版
兩位數除以一位數（一）
Discover Resources
http://www.qsir.org/?p=8853
DSE
從 12 面體、20 面體到 C60 C80
探索三角形SAS全等性質
P4 4N6 分數的種類及轉換 / Fraction Types and Their Conversions
Discover Topics
Linear Programming or Linear Optimization
Parabola
Intersection
Dilation
Reflection