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Quiz on Partial Variation 部分變：測驗
Author:
Alex CHIK
GeoGebra
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
兩位數加法
三位數除以一位數（二）
四邊形的特性
柱體建築師
【案例】2018年全国1卷理科12题
Discover Resources
Reference Angle 參考角
極線獨立定理 / polar independence theorem
總結
共垂心
題一
Discover Topics
Square
Subtraction
Polynomial Functions
Rational Numbers
Geometric Mean