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轨迹2016.4.16

Author:DongHai Zhang

三角形内心

New Resources

  • 球體建築師
  • 兩組對邊相等和有直角的四邊形
  • 錐體建築師
  • 畫出對稱圖形
  • 異分母分數減法

Discover Resources

  • 與三個半圓相切的圓不規則區域著色全
  • 加減併式與估算
  • No.1
  • 第三冊2-2練習18
  • 探究判定全等三角形的条件(ASA)

Discover Topics

  • Intersection
  • Straight Lines
  • Real Numbers
  • Normal Distribution
  • Integers
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