(2004/2005)²-1/2005²
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 17:25:09
![(2004/2005)²-1/2005²](/uploads/image/z/8836509-21-9.jpg?t=%EF%BC%882004%2F2005%29%26%23178%3B-1%2F2005%26%23178%3B)
(2004/2005)²-1/2005²
(2004/2005)²-1/2005²
(2004/2005)²-1/2005²
(2004/2005)^2-1/2005^2
=(2004/2005+1/2005)(2004/2005-1/2005)
=1x2003/2005
=2003/2005
收录互联网各类作业题目,免费共享学生作业习题
做题帮手机作业共收录了 千万级 学生作业题目
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 17:25:09
(2004/2005)²-1/2005²
(2004/2005)²-1/2005²
(2004/2005)²-1/2005²
(2004/2005)^2-1/2005^2
=(2004/2005+1/2005)(2004/2005-1/2005)
=1x2003/2005
=2003/2005