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Problem1:(md+me+mf)/(ad+be+cf)=a
Author:
vinnyya
GeoGebra
New Resources
折扣
盈利與虧蝕
第三周作业效果演示
圓的切線方程
平行線的判定
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拋物線定義式101.11.24
三角形内角和，演示
坐标变换
simulation of the uniform variable linear motion
圓周公式應用題2的副本
Discover Topics
Circumcircle or Circumscribed Circle
Pythagoras or Pythagorean Theorem
Rectangle
Linear Regression
Symmetry