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2-1-2-a
Author:
Joye Wang
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
球體建築師
三位數除以一位數（一）
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
waaachen
Area of triangle using 0.5bs sinA
Properties of a Rectangle
正三角形堆垛
定积分中的二次函数曲边三角形面积.许兴华数学
Discover Topics
Division
Boxplot
Planes
Prism
Frequency Distribution