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Author:
ddc1130
橢圓包絡
GeoGebra
New Resources
錐體建築師
四邊形的特性
畫出對稱圖形
球体的体积推导
【案例】2018年全国1卷理科12题
Discover Resources
交集与并集的动态展示
Generalized Pythagorean Theorem
斯坦納-雷米歐司(Steiner-Lehmus)定理證明二
翰林B4習p81_9
勾股定理
Discover Topics
Arithmetic Mean
Distributions
Geometry
Curve Sketching
Tangent Line or Tangent