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一元二次方程式
Author:
李春培
一元二次方程式
GeoGebra
New Resources
三位數除以一位數（一）
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
異分母分數減法
判斷球體
Discover Resources
Locus指令的練習
方格纸上画平行线和垂线
兩面角
cube
直角坐标系与极坐标系的转换
Discover Topics
Poisson Distribution
Differential Equation
Geometric Distribution
Quadratic Equations
Equations