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元旦快乐(制作:孟宝兴)
Author:
孟宝兴
GeoGebra
New Resources
双心四边形
讀磅
圓的切線方程
垂直線的斜率
球体的体积推导
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直線排列1
正方體的旋轉對稱
三个角只有一个角度数变1
Erdos-Mordell 不等式的副本
圆锥的侧面展开图3D动画的副本
Discover Topics
Bar Chart or Bar Graph
Fractions
Rational Numbers
Quadratic Functions
Ellipse