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教學－旋轉
Author:
Lau Sir
Topic:
Rotation
GeoGebra
New Resources
四邊形的特性
【案例】2013年安徽高考15题
三位數除以一位數（二）
兩位數加法
異分母分數減法
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三角函數
vector addition and subtraction
線性組合1：正六邊形
任意三角形
拋物線1--焦點法
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Histogram
Correlation
Conic Sections
Mathematics
Right Triangles