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8.7-1 直线与圆的方程
Author:
GeoGebra Institute of WuXi
GeoGebra
New Resources
兩位數加法
判斷球體
兩組對邊相等和有直角的四邊形
找出對稱軸
球体的体积推导（优化版）
Discover Resources
Add and subtract 2
cube
完全图
表内除法
正方形的邊長和周界
Discover Topics
Solids or 3D Shapes
Logarithm
Statistical Characteristics
Perimeter
Constructions