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平移旋轉
Author:
chen mingchuan
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
三位數除以一位數（一）
Discover Resources
數位學習社
HKCEE-AM 2010 Q17 part a+b
k126各國基地
平行四邊形堆朵
多边形旋
Discover Topics
Right Triangles
Polygons
Vectors 3D (Three-Dimensional)
Cylinder
Inequalities