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内凹正方形

Author:许业成

New Resources

  • 四邊形的特性
  • 【案例】2018年全国1卷理科12题
  • 柱體建築師
  • 拼砌四邊形
  • 三位數除以一位數(二)

Discover Resources

  • 平行四邊形
  • 溫室
  • qr code for symmetry
  • 正方形推垛
  • 計算在區域內部的圖形總數的副本
  • 诱导公式五(90°+α)

Discover Topics

  • Quadratic Equations
  • Subtraction
  • Difference and Slope
  • Equilateral Triangles
  • Multiplication
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