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餘弦公式_1
Author:
maths324324
GeoGebra
New Resources
圓的基本性質
圓周公式的應用
祖冲之的期望：内棋与外棋
球体的体积推导
平行線的斜率
Discover Resources
畢氏定理動態證明(四塊直角三角形移動)
廣義角的代換(90,270)
棒形圖(我最喜愛的科目)
Question 2
effect of changing data by Mr LO WY
Discover Topics
Optimization Problems
Similarity Transformation or Similarity
Normal Distribution
Difference and Slope
Equilateral Triangles