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龍騰4_1-1課進7
Author:
廖傑成
GeoGebra
New Resources
祖冲之的期望：内棋与外棋
撒针估算面积实验
比較五件物件的重量
圓的基本性質
常见四边形是否是双心四边形
Discover Resources
指數函數與二次函數101.11.26
四次函數圖形
testing
圓與正方形中點軌跡1060317
三角形三边关系探究习题
Discover Topics
Piecewise Functions
Conic Sections
Histogram
Arithmetic Operations
Vectors 2D (Two-Dimensional)