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园
Author:
石京
GeoGebra
New Resources
撒针估算面积实验
第八周作业1
龙形曲线-分形龙2
平行線的判定
活动三：应用性质
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Introduction to Rectangular Coordinates 直角坐標簡介
中線平方定理在圓上應用
test02
圖形的繪製(8)---圖形的搬移(畢氏定理)
勾股定理证明演示--分割股边
Discover Topics
Distributions
Sphere
Triangles
Piecewise Functions
Percentages