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時鐘

Author:JE

New Resources

  • 直角坐標平面上的旋轉變換
  • 兩組對邊相等和有直角的四邊形
  • 畫出對稱圖形
  • 近似值:有效數字
  • 美國國旗 (Codex 版)

Discover Resources

  • Apollonius Problem 10 CCC wiki step 3
  • 擴分、約分及比較大小
  • 量角器
  • 弦心距
  • F4_Ch9.1 任意角的三角比

Discover Topics

  • Secant Line or Secant
  • Integers
  • Cone
  • Differential Equation
  • LCM and GCD
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