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GGB3
Author:
詠甯
GeoGebra
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四邊形的特性
異分母分數減法
兩位數除以一位數(一)
畫出對稱圖形
兩組對邊相等的四邊形
Discover Resources
三角形外心的軌跡
滑桿動態指令(動畫根本指令-用sequence)
柯西不等式
固定周界的矩形
均值不等式的一种几何证明.许兴华数学
Discover Topics
Rational Numbers
Similar Triangles
Difference and Slope
Arithmetic Mean
General Quadrilateral