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反射定律 Law of Reflection

Author:W.L. Wong, Albert

New Resources

  • Fibonacci Clock
  • 算柱 (兩位數)
  • 兩組對邊相等和有直角的四邊形
  • 四邊形的特性
  • 長方體平面投影 (Codex版)

Discover Resources

  • Ex5C#12
  • gjc100a34 兩三角形重疊面積比
  • 小一_比較20以內的數
  • 線性規劃
  • 圆与直线的位置关系

Discover Topics

  • Arithmetic Mean
  • Bar Chart or Bar Graph
  • Constructions
  • Statistical Characteristics
  • Parabola
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