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相切的三圓

Author:高淑蓉

New Resources

  • 球体的体积推导
  • 直線的斜率
  • 【案例】2018年全国1卷理科12题
  • 【案例】圆柱体内放置一个大球六个小球
  • 兩位數除以一位數(一)

Discover Resources

  • 尤拉線
  • 圓內接四邊形 ABCD ...,求 sinθ=?
  • 國旗
  • 椭圆的两条垂直切线的交点轨迹 蒙日圆
  • AMC

Discover Topics

  • Linear Equations
  • Random Experiments
  • Rhombus
  • Linear Programming or Linear Optimization
  • Quadratic Functions
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