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平行四邊形教材
Author:
蔡敏蓁
GeoGebra
New Resources
第八周作业3
活动三:应用性质
球体的截面
第三周作业效果演示
龙形曲线-分形龙
Discover Resources
題 3
Public test
圓與切線
虎牙直播
小正多边形在大正多边形内的滚动(边长不相等)
Discover Topics
Linear Equations
Ellipse
Median Line
Area
Continuity