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平四3
Author:
数豆豆
GeoGebra
New Resources
找出對稱軸
小数 的副本
拼砌四邊形
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
記錄最大值
黎曼和
題 4
Prism and Cylinder 3
角平分线的性质
Discover Topics
Piecewise Functions
Pie Chart or Circle Chart
Square
Differential Equation
Vectors 3D (Three-Dimensional)