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已知長方形周界和長求闊
Author:
Anthony OR 柯志明
Topic:
Perimeter
https://www.geogebra.org/m/m7mzr337
New Resources
四邊形的特性
兩組對邊相等和有直角的四邊形
找出對稱軸
兩組對邊相等的四邊形
Nested spiral octagon
Discover Resources
平行綫的斜率
畢式定理 (08)
正方形和長方形有甚麼特性？
circle
day01_01
Discover Topics
Normal Distribution
Arithmetic Operations
Orthocenter
Histogram
Pie Chart or Circle Chart