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彩色畢式樹面積
Author:
邱仲民
GeoGebra
New Resources
直角坐標平面上的旋轉變換
找出對稱軸
三位數除以一位數（二）
拼砌四邊形
【案例】2018年全国1卷理科12题
Discover Resources
cos, sin 與單位圓
九點圓
中點軌跡
三次曲线
三角形的构成的副本
Discover Topics
Combinatorics
Sequences and Series
Kite
Vectors 3D (Three-Dimensional)
Trigonometry