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正三角形的旋轉
Author:
李春培
正三角形的旋轉
GeoGebra
New Resources
三位數除以一位數（一）
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
錐體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
Quiz on Joint Variation 聯變：測驗
曲線上的箭頭 (Arrow on Curve)
Frequency Change
角平分線-1
中垂線
Discover Topics
Linear Regression
Rotation
Boxplot
Linear Programming or Linear Optimization
Square