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Author:
宋晓燕
GeoGebra
New Resources
盈利與虧蝕
第三周作业效果演示
第八周作业3
斐波那契螺旋弧线(表格法-可动态调节)
双心四边形
Discover Resources
相似形基本圖形
倒數計時
mfu4u
三角形內部一點問題
函數的面積 (黎曼和)的副本
Discover Topics
Matrices
Sequences and Series
Similar Triangles
Congruence
Geometric Transformations