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画一个正方形
Author:
陈力
利用所给工具,想想不同的办法,画出一个矩形. (最后用
描出这个四边形)
方法1
GeoGebra
方法2
GeoGebra
方法3
GeoGebra
New Resources
長方體平面投影 (Codex版)
拼砌四邊形
兩組對邊相等和有直角的四邊形
Earth with coastline
Fibonacci Clock
Discover Resources
東興那題的圖
圖一
gjh-g02-00 雙項乘以雙項.png
How to draw a square with ruler and compasses?
製作一個面積是18平方厘米的三角形。
Discover Topics
LCM and GCD
Difference and Slope
Algebra
Square
Real Numbers