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圖I
Author:
whtong
GeoGebra
New Resources
GeoGebra笔记功能体验课件
四邊形的特性
兩位數加法
兩位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
test123
橢圓軌跡 (3)
雙橢
PMC 2016-17
geogebra
Discover Topics
Parallelogram
Standard Deviation
Logarithmic Functions
Differential Equation
Cuboid