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圆链的反演
Author:
孟宝兴
GeoGebra
New Resources
算柱 (兩位數)
兩組對邊相等的四邊形
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
將「文字」標示在長與寬
兩線段和圓3
圓柱體的體積及總表面面積
凸透镜成像
一般變換的副本
Discover Topics
Quadratic Equations
Histogram
Tree Diagrams
Kite
Hyperbola