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風車2
Author:
李春培
風車2
GeoGebra
New Resources
第八周作业
盈利與虧蝕
正方形雪花图案
撒针估算面积实验
活动三：应用性质
Discover Resources
數學模型
函数的单调性和导数
Sequence指令練習(包絡線：橢圓)
圈柱
Ladder on Wall
Discover Topics
Set Theory
Real Numbers
Special Points
Statistical Characteristics
Isosceles Triangles