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Arithmetic Series 等差級數
Author:
Alex CHIK
gMath 互動數學教室
http://www.geogebra.hk
New Resources
棒形圖製作器
比較釘板
子弹图+猪手图
直线曲线相交弦
y=-3x+6(x>=3)
Discover Resources
凹面鏡
謝爾賓斯基三角形(Sierpinsky)
救生員的職責
earth
Graph of Sine
Discover Topics
Scalene Triangles
Set Theory
Numbers
Tangent Function
Hyperbola
