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二次函数定义
Author:
何嘉驹
GeoGebra
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异形操场
撒针估算面积实验
盈利與虧蝕
斐波那契螺旋弧线（表格法-可动态调节）
科氏力 (Coriolis Force)
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龍騰4_1-1講段8
平行四邊形中點連線及分角線交點連線形狀
Maths p1
單項式的乘積
圆锥曲线的第二定义的副本
Discover Topics
Distributions
Dilation
Sine
Conic Sections
Histogram