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No.18

Author:Billy Cheung

New Resources

  • 漂亮的摇摆曲线
  • 探究三角形的全等條件
  • 【案例】2018年全国1卷理科12题
  • 常见四边形是否是双心四边形
  • 祖冲之的期望:内棋与外棋

Discover Resources

  • Projection
  • deductive geometry
  • 圓錐曲線截痕 to 定義式
  • 两平面夹角
  • 餘數處理2

Discover Topics

  • Derivative
  • Linear Regression
  • Parallelogram
  • Geometric Mean
  • Difference and Slope
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