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圓相切
Author:
一路梁
圓相切
GeoGebra
New Resources
讀磅
三位數除以一位數（二）
【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
空间中两直线的位置关系
Discover Resources
公切線(配合Dilate指令)
九點圓定理
Simple Interest and Compound Interest
活動工作紙LEVEL02
Copy of 賺賠：例1
Discover Topics
Difference and Slope
Line Segment
Tangent Function
Pie Chart or Circle Chart
Geometry