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二次函数y=ax²（a＞0)
Author:
吕胜
GeoGebra
New Resources
兩位數加法
四邊形的特性
【案例】2018年全国1卷理科12题
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
Discover Resources
Angle Sum in a Triangle
直线与椭圆
P53_3b
圓錐截橫
切割正二十面體(直)
Discover Topics
Line Segment
Indefinite Integral
Upper and Lower Sum or Riemann Sum
Sine
Variance