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旋转 等边三角形内一点
Author:
周胜华
Topic:
Triangles
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
Fibonacci Clock
兩組對邊相等的四邊形
sanjiaohanshu
Discover Resources
Task 7: Visualize the Theorem of Thales
(正)長方體
幾何作圖 根號 螺線圖
面積
在数轴上表示根号数
Discover Topics
Subtraction
Limits
Ratios
Numbers
Rational Numbers