(2004/2005)²-1/2005²
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 16:39:48
(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
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来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 16:39:48
(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