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Properties of a Parallelogram
Author:
Lttcmooc
GeoGebra
New Resources
兩位數除以一位數（一）
柱體建築師
三位數除以一位數（一）
找出對稱軸
拼砌四邊形
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向量比換面積比
y=a*sin(b*x)
test
多重指令
定周长的正多边形面积变化规律（含圆）
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Functions
Step Functions
Tangent Function
Cosine
Numbers