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線性規劃
Author:
王玉梅
GeoGebra
New Resources
活动三：应用性质
折扣
双心四边形
常见四边形是否是双心四边形
第八周作业3
Discover Resources
會暫停的指針
练习
圓與切線
平行四边形变形
镂空正方体案例对比
Discover Topics
Straight Lines
Orthocenter
Quadrilaterals
Incircle or Inscribed Circle
Geometry