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平行線截等比例
Author:
周桂名
平行線截等比例
GeoGebra
New Resources
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（一）
兩位數除以一位數（二）
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
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椭圆画法wj
P2 math
DSE Circle-ACT01D Distance of Chords and Centre of a Circle
Drag C and see
S0G4L2 到两点距离的运算值为定值1：到两点距离和
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Cuboid
Linear Functions
Linear Equations
Cube
Scatter Plot