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Introduction to Polar Coordinates 極坐標簡介
Author:
Alex CHIK
Topic:
Coordinates
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
兩位數除以一位數（二）
直角坐標平面上的旋轉變換
四邊形的特性
球體建築師
小数 的副本
Discover Resources
二次函數
vector addition and subtraction
Is this a prism 4
Scatter diagram(散點圖)
圖形的周界
Discover Topics
Area
Incircle or Inscribed Circle
Parametric Curves
Orthocenter
Geometric Transformations