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交点个数1
Author:
朱亮
GeoGebra
New Resources
圓的切線方程
正方形雪花图案
百分數及其應用
平行線的判定
第八周作业2
Discover Resources
競賽題-1
对数的运算性质
黃金矩形
Copy of 十字交乘法
学习谢维老师课件
Discover Topics
Conic Sections
Ellipse
Optimization Problems
Trapezoid
Square