Drag the [b]black point[/b] in order to change the values for [color=#c51414]a[/color] and [color=#0a971e]b[/color]. [br]Drag the [b][color=#d69210]orange point[/color][/b] in order to change the size of the square.[br]左右拖动黑点可更改a和b的值。[br]拖动橙色点可改变大正方形的大小。

修改自：[url=https://www.geogebra.org/u/geogebra+team]GeoGebra Materials Team[/url]的The Binomial Formula，https://www.geogebra.org/m/pw9jgk6J[br][br]20241213[br]Latex字体