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海龍公式與內切圓半徑
Author:
李春培
三角形面積海龍公式與內切圓半徑
GeoGebra
New Resources
Nested spiral octagon
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
美國國旗 (Claude 版)
sanjiaohanshu
Discover Resources
Trajectory of system: y'=y^2-y
Ext angle cyclic quad
微積分基本定理的副本
手拉手模型
圓心在同一直線上且相切的圓(半徑可改變)
Discover Topics
Plane Figures or Shapes
Linear Equations
Surface
Indefinite Integral
Rational Numbers