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213

Author:張立人

New Resources

  • 斜率的值
  • 球体的体积推导
  • 画直线等分三角形的面积
  • 【案例】2018年全国1卷理科12题
  • 讀磅

Discover Resources

  • 六年級
  • 銳角三角:sin, cos
  • 两角差的正弦公式证明2
  • S0E6 三角形三边关系
  • 展開圓面積 (講義版)的副本

Discover Topics

  • Addition
  • Pythagoras or Pythagorean Theorem
  • Terms
  • Equilateral Triangles
  • Logarithm
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