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过圆上一点作切线,三步
Author:
u.jianwang
GeoGebra
New Resources
椭圆内切圆链
平行線的判定
盈利與虧蝕
第八周作业2
异形操场
Discover Resources
Dividing a Trapezium
點和圓的位置關係
正三角形的面積
畢氏定理學生(林辰洋)
切線性質B
Discover Topics
Scatter Plot
Frequency Distribution
Calculus
Incircle or Inscribed Circle
Sine