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鉛筆畫圓
Author:
Ching-Hui Chou
GeoGebra
New Resources
異分母分數減法
找出對稱軸
兩位數加法
画直线等分三角形的面积
兩位數除以一位數(一)
Discover Resources
下和與上和
三角函數的疊合
三角形內心
Quiz on Solving Quadratic Inequalities 解二次不等式:測驗 (v2018)
test
Discover Topics
Parabola
Set Theory
Division
Dilation
Histogram