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咖啡上的拉花
Author:
陳柄何
GeoGebra
New Resources
sanjiaohanshu
【案例】2018年全国1卷理科12题
畫出對稱圖形
三位數除以一位數（二）
【案例】2013年安徽高考15题
Discover Resources
大圓內的十二個圓
利用圓來畫橢圓
我的傑作6C04
Cross Product for 2D Vectors (平面外積)
Quiz on Addition and Subtraction of Directed Numbers (2)
Discover Topics
Subtraction
Rational Numbers
Standard Deviation
Parabola
Bar Chart or Bar Graph