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tan900

Author:tan90

New Resources

  • 球體建築師
  • 兩位數除以一位數(二)
  • 【案例】2018年全国1卷理科12题
  • 找出對稱軸
  • sanjiaohanshu

Discover Resources

  • 大圓內的十二個圓
  • congruent (SSA,RHS)
  • 旋轉對稱
  • 以 Unit Circle 了解 Sine 的正/負的副本
  • 两角差的余弦公式的证明

Discover Topics

  • Sequences and Series
  • Circumcircle or Circumscribed Circle
  • Rational Numbers
  • Inequalities
  • Natural Numbers
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