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平行四邊形堆朵
Author:
何姵葶
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
判斷球體
兩組對邊相等的四邊形
三位數除以一位數（二）
Discover Resources
funny draw
凸透镜成像
向量比換面積比
Rotation
椭圆的参数方程的副本
Discover Topics
Pythagoras or Pythagorean Theorem
Scalene Triangles
Cosine
Linear Equations
Vectors 2D (Two-Dimensional)