计算(2014²+2012²)-(2013²+2011²)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 15:36:53
![计算(2014²+2012²)-(2013²+2011²)](/uploads/image/z/589064-32-4.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%882014%26%23178%3B%2B2012%26%23178%3B%EF%BC%89-%EF%BC%882013%26%23178%3B%2B2011%26%23178%3B%EF%BC%89)
计算(2014²+2012²)-(2013²+2011²)
计算(2014²+2012²)-(2013²+2011²)
计算(2014²+2012²)-(2013²+2011²)
(2014²-2011²)-(2013²-2012²)
=(2014+2011)(2014-2011)-(2013+2012)(2013-2012)
=4025×3-3025×1
=4025×(3-1)
=4025×2
=8050