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橢圓的切線作圖
Author:
紀延平
GeoGebra
New Resources
畫出對稱圖形
算柱 (兩位數)
錐體建築師
兩位數除以一位數（一）
GeoGebra笔记功能体验课件
Discover Resources
Polygon incised
[工具箱] 標示長度
rectangle_tktcps
test
四次函數圖形
Discover Topics
Arithmetic
Geometric Transformations
Hypothesis Testing
Statistics
Line Segment