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geo123
Author:
hsu hung yang
hello
GeoGebra
New Resources
近似值：有效數字
兩組對邊相等的四邊形
Earth with coastline
找出對稱軸
直角坐標平面上的旋轉變換
Discover Resources
Copy of 固定周界的長方形的面積變化
面積 題目3
用和或差的平方做因式分解
环形跑道问题案例的制作
小正方体堆积的三视图
Discover Topics
Symmetry
Natural Numbers
Parallelogram
Ellipse
Arithmetic