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長方形的周界與長和闊的關係 (教師版)
Author:
Anthony OR 柯志明
Topic:
Perimeter
https://www.geogebra.org/m/qfuekenq
New Resources
Earth with coastline
Fibonacci Clock
兩組對邊相等和有直角的四邊形
找出對稱軸
球體建築師
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方格紙上畫正方形3
Book4
equation of circle
橢圓包絡線
HCF 和 LCM 的應用
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Curve Sketching
Fractal Geometry
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Orthocenter
Fractions