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perimeter of rectangle
Author:
chh127245
,
Carmel Schettino
perimeter of rectangle
GeoGebra
New Resources
兩位數除以一位數（一）
四邊形的特性
画直线等分三角形的面积
拼砌四邊形
柱體建築師
Discover Resources
任務3
小學數學比賽 2014
外公切線作圖
正六邊形串珠
sin(x) 的函數圖形的副本
Discover Topics
Trigonometry
Complex Numbers
Ratios
Random Experiments
Fractions