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三角函數with sine, cosine圖形
Author:
吳汀菱
,
Eric Chang-Chien
GeoGebra
New Resources
兩位數加法
畫出對稱圖形
兩組對邊相等的四邊形
三位數除以一位數（二）
三位數除以一位數（一）
Discover Resources
橢圓
基測數學100-1-30 等腰三角形的角度
圆在直线上滚动
Introduction to Rectangular Coordinates
星形线-Astroid Curve-with-Envelope Command
Discover Topics
Ratios
Tree Diagrams
Addition
Constructions
Coordinates