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例2 22.5 67.5
Author:
谢鹏
GeoGebra
New Resources
直角坐標平面上的旋轉變換
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
判斷球體
Discover Resources
呵呵
Perimeter
สำเนาของ 河內塔 (Tower of Hanoi)
Parabola_Vertical
[洋葱] 相似与全等
Discover Topics
Triangles
Translation
Variance
Statistical Characteristics
Functions