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waaachen
Author:
陳兪宏
waaachen
GeoGebra
New Resources
柱體建築師
拼砌四邊形
錐體建築師
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
Discover Resources
畢氏定理動態證明
dandan
五圓相切
正三角形堆垛
探究判定全等三角形的条件（ASA）
Discover Topics
Rotation
Logarithmic Functions
Kite
Definite Integral
Probability