作业帮当x=2007,y=2008时,代数式x4-y4/(x2-2xy-y2) /(x2+y2)/(y-x)
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/27 15:13:33
x){wrN%x6}ΓMtOnFQEn
dkTVh$Sh~
5\i6{OxھܥO7l|ڹ] ?|
<; l
当x=2007,y=2008时,代数式x4-y4/(x2-2xy-y2) /(x2+y2)/(y-x)
当x=2007,y=2008时,代数式x4-y4/(x2-2xy-y2) /(x2+y2)/(y-x)
当x=2007,y=2008时,代数式x4-y4/(x2-2xy-y2) /(x2+y2)/(y-x)
把偶数都提出来!就剩1的加减了笨