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dynamics dragon
Author:
赵林
GeoGebra
New Resources
三位數除以一位數（一）
三位數除以一位數（二）
兩位數除以一位數（二）
找出對稱軸
兩組對邊相等和有直角的四邊形
Discover Resources
畢氏定理學生(林辰洋)
圓柱圓錐
圖形的周界
周界-平移法(練習三)
拋物線(上下型)標準式
Discover Topics
Isosceles Triangles
Sequences and Series
Linear Programming or Linear Optimization
Kite
Geometry