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劉虹圻 垂心

Author:呂麗珠
Topic:Orthocenter

New Resources

  • 異分母分數減法
  • 三位數除以一位數(二)
  • 【案例】圆柱体内放置一个大球六个小球
  • 四邉形 (四年級) 教師版
  • 兩組對邊相等的四邊形

Discover Resources

  • 固定三角形的條件−題2
  • 帥哥的創舉 <3
  • Apollonius Problem 7 CCP Inversion simple 34
  • example 1_sun
  • 勒洛四面体(拼接法)

Discover Topics

  • Line Segment
  • Cosine
  • Stochastic Process or Random Process
  • Arithmetic Operations
  • LCM and GCD
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