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橢圓的定義畫圖
Author:
SUN YUNG CHANG
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數除以一位數（二）
異分母分數減法
第八周作业
找出對稱軸
Discover Resources
七巧板奔人3
題 1
color
正态函数曲线的特点
斜率乘积为定值（椭圆、双曲线）
Discover Topics
Subtraction
Arithmetic
Hypergeometric Distribution
Coordinates
Congruence