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橢圓2-四圓心近似法
Author:
30張婷淯
GeoGebra
New Resources
判斷球體
兩位數除以一位數（二）
四邊形的特性
柱體建築師
兩組對邊相等的四邊形
Discover Resources
平面
功課
正弦函数自变量的几何显示
切線 (The Tangent Line)
双心四边形
Discover Topics
Hypothesis Testing
Tangent Function
Normal Distribution
Median Value
Equilateral Triangles