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旋轉的概念
Author:
羅驥韡 (Pegasus Roe)
Topic:
Rotation
GeoGebra
New Resources
近似值：有效數字
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
兩位數加法
異分母分數減法
Discover Resources
找動矩形的軌跡
Why same areas?
afdsfsdfds
GGB多页面案例
彩色立体方阵、点阵
Discover Topics
Confidence Interval
Rhombus
Tree Diagrams
Equilateral Triangles
Rectangle