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shuipen
Author:
michael
GeoGebra
New Resources
判斷球體
兩位數加法
找出對稱軸
兩位數除以一位數（一）
四邊形的特性
Discover Resources
生活中的平面圖形─多邊形的性質
Sierpinski 分形
Locus (Two points 2)
Completing the square(配方法)
变化的三角形的外心.许兴华数学
Discover Topics
Ratios
Vectors 3D (Three-Dimensional)
Conditional Probability
Curve Sketching
Confidence Interval