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Tool4P
Author:
侯杰材
GeoGebra
New Resources
拼砌四邊形
兩位數加法
兩組對邊相等的四邊形
四邊形的特性
三位數除以一位數（一）
Discover Resources
a>1, y=Log(a,x) and y=a^x 有可能0,1,2交點!?
一次函數平移(進階)
Rotation of line
erwtewt的副本
爱心曲线
Discover Topics
Arithmetic Operations
Means
Perimeter
Polygons
Arithmetic Mean