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徐州2015中考-28
Author:
季阳天
GeoGebra
New Resources
找出對稱軸
兩組對邊相等和有直角的四邊形
異分母分數減法
近似值：有效數字
拼砌四邊形
Discover Resources
正六面體
Triangle
利用文字工具顯示計算結果
直向橢圓
p.8.18
Discover Topics
Area
Conditional Probability
Matrices
Tangent Function
Ellipse