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新4

Author:Ms Wong

New Resources

  • 判斷球體
  • 兩組對邊相等和有直角的四邊形
  • 拼砌四邊形
  • 【案例】圆柱体内放置一个大球六个小球
  • 兩位數加法

Discover Resources

  • 三角形四心
  • Math
  • 分數變身術
  • rotational symmetry_1
  • 劉徽的「割圓術」

Discover Topics

  • Matrices
  • Cylinder
  • Reflection
  • Rectangle
  • Prism
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