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直线与圆相切
Author:
蔡永志
直线与圆相切
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
判斷球體
GeoGebra笔记功能体验课件
画直线等分三角形的面积
兩位數除以一位數（二）
Discover Resources
極坐標
畢氏定理證明
YIPPUIMEIgeogebra
徐峻彥's GGB book
四年級面積的量度
Discover Topics
Fractions
Scalene Triangles
Mathematics
Cosine
Frequency Distribution