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中考2019北京—24
Author:
宋晓燕
GeoGebra
New Resources
找出對稱軸
異分母分數減法
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
Discover Resources
數學模型
Arcs and Angles at Centre/ Circumference 弧、圓心角與圓周角
對稱(LEVEL 1)
定积分的概念
转动中的杠杆
Discover Topics
Trigonometry
Fractions
Boxplot
Curve Sketching
Terms