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齒輪連接的方法與轉動。
Author:
鍾元杰
齒輪連接與轉動的方法。
GeoGebra
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四邊形的特性
畫出對稱圖形
兩組對邊相等和有直角的四邊形
三位數除以一位數(二)
兩組對邊相等的四邊形
Discover Resources
橢圓
ex 7
relations of pavlue fisher method
橢圓2--四圓心近似法
正方形穿越
Discover Topics
LCM and GCD
Orthocenter
Vectors
Straight Lines
Cylinder