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perimeter of rectangle
Author:
chh127245
,
Duane Habecker
perimeter of rectangle
GeoGebra
New Resources
斜率的值
圓的切線方程
兩位數除以一位數（二）
漂亮的摇摆曲线
【案例】2013年安徽高考15题
Discover Resources
waaachen
四邊形的「等角分點」的副本
旋轉的概念
Similar Triangles
勒洛三角形外擺線動態作圖
Discover Topics
Plane Figures or Shapes
Subtraction
Geometry
Statistics
Congruence