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matrix of rotation transformation
Author:
华杰 苏
Topic:
Matrices
GeoGebra
New Resources
兩位數加法
三位數除以一位數（一）
拼砌四邊形
判斷球體
兩組對邊相等和有直角的四邊形
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square & Triangle
Area of rectangle_Question F
二次函数的值
基本不等式
GeoGebra 检测教程
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Pythagoras or Pythagorean Theorem
Distributions
Congruence
Geometry
Root