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直线与圆相切
Author:
蔡永志
直线与圆相切
GeoGebra
New Resources
第八周作业
兩位數除以一位數（二）
【案例】2013年安徽高考15题
找出對稱軸
拼砌四邊形
Discover Resources
angle between line and plane
geo123
Perimeter
squence
測試繪本
Discover Topics
Prism
Conditional Probability
Differential Equation
Isosceles Triangles
Set Theory