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matrix of rotation transformation
Author:
华杰 苏
Topic:
Matrices
GeoGebra
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三位數除以一位數（二）
【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
【案例】2013年安徽高考15题
四邉形 (四年級) 教師版
Discover Resources
test test test
國旗動畫
Lesson 2 HW
Rotational and reflectional symmetry of a regular polygon
鉛筆畫圓
Discover Topics
Linear Programming or Linear Optimization
Fractions
Means
Interest Calculation
Tangent Function