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圓的性質
Author:
陳兪宏
求極值(圓的性質) 拉動O點
GeoGebra
New Resources
異分母分數減法
画直线等分三角形的面积
第八周作业
三位數除以一位數（二）
球體建築師
Discover Resources
Similar triangles
動態畢氏定理
EARTH01
动点
電工機械及基本電學圖解
Discover Topics
Matrices
Logarithmic Functions
Quadratic Functions
Rational Numbers
Linear Equations