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一元二次不等式
Author:
1041015楊山佩
GeoGebra
New Resources
平行線的判定
折扣
正方形雪花图案
龙形曲线-分形龙
第三周作业效果演示
Discover Resources
弧度與角度
捷徑
均分除法(分數÷整數)
圖形的周界
爱心曲线
Discover Topics
Rectangle
Sphere
Area
Plane Figures or Shapes
Upper and Lower Sum or Riemann Sum