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梯形有甚麼特性?
Author:
Anthony OR 柯志明
GeoGebra
New Resources
兩組對邊相等的四邊形
畫出對稱圖形
【案例】2013年安徽高考15题
算柱 (兩位數)
小数 的副本
Discover Resources
角α与-α的正弦函数关系
Right Triangles in a Circle 圓內的直角三角形
銳角、直角和鈍角
乘法的副本
诱导公式五(90°+α)
Discover Topics
Polynomial Functions
Cuboid
Scalene Triangles
Circle
Boxplot