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切線段等長
Author:
謝易達
可移動P點，檢查切線段是否等長
GeoGebra
New Resources
拼砌四邊形
找出對稱軸
兩組對邊相等的四邊形
第八周作业
【案例】2018年全国1卷理科12题
Discover Resources
面積切割
對稱圖形
正三角形
Is it a condition for //gram?
比一比看谁大
Discover Topics
Ellipse
Scalene Triangles
Optimization Problems
Cosine
Statistics