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Reference Angle 參考角
Author:
Alex CHIK
Topic:
Trigonometry
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
兩組對邊相等和有直角的四邊形
判斷球體
三位數除以一位數(二)
兩組對邊相等的四邊形
画直线等分三角形的面积
Discover Resources
Function3
two-example
切割正四面體
九九乘法表的認識
認識分數的副本
Discover Topics
Vectors 2D (Two-Dimensional)
Plane Figures or Shapes
Equations
Histogram
Expected Value