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lightyuxinyi
Author:
yuxinyi1011
GeoGebra
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斐波那契螺旋弧线(表格法)
常见四边形是否是双心四边形
双心四边形
平行線的判定
异形操场
Discover Resources
管路流量分析
五上複合圖形的面積
橢圓3--平行四邊形法
二分法
点、线、角
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Trapezoid
Quadratic Functions
Mathematics
Perimeter
Cosine