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最小周長三角形
Author:
学用数学
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
判斷球體
畫出對稱圖形
三位數除以一位數（二）
算柱 (兩位數)
Discover Resources
三角形的外角等于与其不相邻的两个内角之和
AirParcel
syps 邊長與三角形
瓜豆原理——动点跟随
橢圓1--四圓心近似法
Discover Topics
Stochastic Process or Random Process
Polynomial Functions
Parametric Curves
Intersection
Circumcircle or Circumscribed Circle