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Sine Wave and Circle
Author:
吳福盛
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
錐體建築師
小数 的副本
Nested spiral octagon
畫出對稱圖形
Discover Resources
勾股定理的证明
剪紙問題
相反数 探究 （教材第9页）
第八周作业3
sanjiaohanshu
Discover Topics
Similarity Transformation or Similarity
Right Triangles
Numbers
Coordinates
Optimization Problems