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转网页后文字排版变乱
Author:
Zhang Yungui
GeoGebra
New Resources
三位數除以一位數（二）
拼砌四邊形
兩組對邊相等和有直角的四邊形
畫出對稱圖形
兩位數加法
Discover Resources
Slope of a St. Line (formula)
拋物線(開口向上)
gjzbh 矩陣與遞迴關係：圓形圖
[拋物線]與直線相切且與圓內切之所有圓的圓心軌跡方程式
Quiz on Addition and Subtraction of Directed Numbers (2)
Discover Topics
Parabola
Optimization Problems
Trigonometric Functions
Parallelogram
Line Segment