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旋轉正方形
Author:
33陳郁婷
GeoGebra
New Resources
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
直角坐標平面上的旋轉變換
判斷球體
近似值：有效數字
Discover Resources
Primary Mathematics
Quiz on Naming of Congruent & Similar Triangles 全等及相似三角形的命名：測驗
tool
碎形六邊形的副本
剪切成正三棱柱（制作：李三军，修订：孟宝兴）
Discover Topics
Arithmetic Mean
Trapezoid
Exponent
Pythagoras or Pythagorean Theorem
Geometric Mean