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動國旗
Author:
張丰耘
GeoGebra
New Resources
讀磅
漂亮的摇摆曲线
平行線的斜率
祖冲之的期望：内棋与外棋
多邊形的面積
Discover Resources
Quiz on Quadratic Formula 二次公式：測驗
橢圓軌跡
凸透镜成像
量角器
梯形面積 Area of Trapezium
Discover Topics
Means
Bar Chart or Bar Graph
Trapezium
Hypergeometric Distribution
Exponential Functions