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和两个圆都相切的圆
Author:
冯伟冀
Topic:
Conic Sections
,
Geometry
GeoGebra
New Resources
垂直線的斜率
活动三：应用性质
百分數及其應用
斜率的值
第八周作业3
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同心圓和線段-3(線段到最外圓有小圓)
可轉波單車
雪櫃裏的食物
模擬隨機變數的「總和」的副本
多动点运动
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Logarithm
Circle
Logarithmic Functions
Quadrilaterals
Cylinder