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三角形的四心-五線-內外二圓

Author:Ho-Kai Chen
四心:內外重垂

New Resources

  • 兩位數除以一位數(二)
  • 四邊形的特性
  • 球體建築師
  • 画直线等分三角形的面积
  • 兩組對邊相等和有直角的四邊形

Discover Resources

  • 斜線圖的畫法
  • 柱體體積(三角形)
  • 繡曲線
  • rotational symmetry_3
  • 拋物線2--焦點法

Discover Topics

  • Bar Chart or Bar Graph
  • Geometric Transformations
  • Plane Figures or Shapes
  • Terms
  • Trigonometric Functions
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