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Ex5D#4
Author:
Big Lee
GeoGebra
New Resources
長方體平面投影 (Codex版)
近似值：有效數字
兩組對邊相等和有直角的四邊形
Earth with coastline
Fibonacci Clock
Discover Resources
三角函數圖形
ie 9
劉徽的「割圓術」
折扣 例3的副本
S3 Ex4.3 Q05(3D圖)
Discover Topics
Real Numbers
Similarity Transformation or Similarity
Multiplication
Rotation
Reflection