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Author:
Hui Sir
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
柱體建築師
兩組對邊相等的四邊形
四邊形的特性
Discover Resources
公切線的條數
優良作品4
方格纸上画平行线和垂线
多重刻度磅
三圓外切2
Discover Topics
Trapezoid
Symmetry
Derivative
Optimization Problems
Calculus