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畢氏定理證明（Ｉ）
Author:
林辰燁
GeoGebra
New Resources
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
兩位數加法
兩組對邊相等的四邊形
畫出對稱圖形
Discover Resources
waaachen
例題11
Geometry: Types of Angles 2 (幾何：角的種類 2)
改變係數觀察多項式圖形
圓-符號核能
Discover Topics
Addition
Integral Calculus
Translation
Pie Chart or Circle Chart
Arithmetic Operations