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perimeter of rectangle
Author:
chh127245
,
Carmel Schettino
perimeter of rectangle
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
兩位數除以一位數（二）
兩位數除以一位數（一）
GeoGebra笔记功能体验课件
Discover Resources
捷徑
Parallel lines
三節棍
基礎作圖1
平行四邊形堆垛
Discover Topics
Cone
Unit Circle
Frequency Distribution
Plane Figures or Shapes
Cube