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橢圓
Author:
洪宜慧
GeoGebra
New Resources
找出對稱軸
兩組對邊相等和有直角的四邊形
拼砌四邊形
球體建築師
異分母分數減法
Discover Resources
乘法
餘弦公式_1
Linear Programming
畢氏定理證明
紙張的長與闊
Discover Topics
Tangent Line or Tangent
Arithmetic
Logarithmic Functions
Percentages
Circumcircle or Circumscribed Circle