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geo123
Author:
hsu hung yang
hello
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Nested spiral octagon
找出對稱軸
直角坐標平面上的旋轉變換
Discover Resources
平行四邊形與菱形的分別
數列
畢氏樹
两个经典不等式
正方体的展开图（彩色3d版 net cube）
Discover Topics
Exponential Functions
Random Variables
Tree Diagrams
Cone
Calculus