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三角形内角和演示
Author:
啊哦呃
改变三角形的形状,其内角和不变。
GeoGebra
New Resources
活动三:应用性质
科氏力 (Coriolis Force)
双心四边形
盈利與虧蝕
圓的基本性質
Discover Resources
三角形全等的理由 – 題3
小精靈
拋物線1-焦點法
兩位數除三位數(商=10)
单位圆与正弦函数
Discover Topics
Statistical Characteristics
Geometric Mean
Parametric Curves
Vectors 2D (Two-Dimensional)
Algebra