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2-1-2 點對稱

Author:陳家豪

New Resources

  • 小数 的副本
  • 找出對稱軸
  • 兩組對邊相等和有直角的四邊形
  • 算柱 (兩位數)
  • 拼砌四邊形

Discover Resources

  • proof69 陳庠宇
  • [問題] OP 最大投影長
  • sin(x) 的函數圖形的副本
  • 三垂線定理
  • 抛物线动态(不一样的做法)

Discover Topics

  • Incircle or Inscribed Circle
  • Pythagoras or Pythagorean Theorem
  • Area
  • Pie Chart or Circle Chart
  • Hypergeometric Distribution
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