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優良作品1
Author:
Ching-Hui Chou
GeoGebra
New Resources
兩位數加法
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
畫出對稱圖形
Discover Resources
Locus: Fixed Distance From Straight Line
二元一次不等式
拋物線與光線反射
直线倾斜角与斜率的副本
圓周公式應用題2的副本
Discover Topics
Logarithmic Functions
Pythagoras or Pythagorean Theorem
Geometric Mean
Rational Numbers
Secant Line or Secant