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Ex5D#6
Author:
Big Lee
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
拼砌四邊形
第八周作业
異分母分數減法
畫出對稱圖形
Discover Resources
分數乘法
兩弦的長度比較
同心圓
中國火柴遊戲二
两圆上两动点分别以相同的线速度运动时，连线中点的轨迹（绿色花朵）
Discover Topics
Vectors 3D (Three-Dimensional)
Set Theory
Right Triangles
Median Line
Scalene Triangles