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二次函数y=ax²（a＞0)
Author:
吕胜
GeoGebra
New Resources
判斷球體
画直线等分三角形的面积
錐體建築師
柱體建築師
【案例】2013年安徽高考15题
Discover Resources
Pythagorean Triples 畢氏數組
指數函數圖形
递推关系具有分支选项的递推数列
随机数表
三角函数变换
Discover Topics
Real Numbers
Incircle or Inscribed Circle
Fractal Geometry
Piecewise Functions
Hypothesis Testing