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图中的三角形面积何时最小?(许兴华数学)
Author:
许兴华数学
Topic:
Quadratic Functions
GeoGebra
New Resources
球體建築師
錐體建築師
【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
畫出對稱圖形
Discover Resources
y=a(x-h)²+k的圖形
向量的線性組合
切割正立方體
Copy of 劉徽的「割圓術」
parabola 抛物线方程求解
Discover Topics
Centroid or Barycenter
Geometric Mean
Stochastic Process or Random Process
Multiplication
Circumcircle or Circumscribed Circle