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Author:
RintarouTW
GeoGebra
New Resources
斐波那契螺旋弧线（表格法）
平行線的判定
百分數及其應用
折扣
科氏力 (Coriolis Force)
Discover Resources
讀磅
正弦定理的证明
疊代四邊形
多邊形面積(新一代第三版 EX22#8)
線性變換矩陣（二階）的副本
Discover Topics
Numbers
Pyramid
Pythagoras or Pythagorean Theorem
Ellipse
Linear Functions