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正方變十字

Author:李春培
正方變十字

New Resources

  • 兩組對邊相等和有直角的四邊形
  • 拼砌四邊形
  • 算柱 (兩位數)
  • 兩位數加法
  • 近似值:有效數字

Discover Resources

  • Sectors 扇形
  • test06
  • 二年級_柱體的觀察
  • Copy of 固定周界的長方形的面積變化
  • S0E02 勾股定理

Discover Topics

  • Inequalities
  • Histogram
  • Root
  • Upper and Lower Sum or Riemann Sum
  • Geometric Mean
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