已知两个有理数xy满足等式x3+2y+√5*y=17-5√5求√2(x-y)的值
已知两个有理数xy满足等式x3+2y+√5*y=17-5√5求√2(x-y)的值
已知XY是有理数,并且满足等式x-2y-√2y=17-4√2,求X+Y的值
设xy是有理数,且xy满足等式x+2y-√2y=17+4√2,试求(√x+y)的2009次方
(1)xy是不为零的有理数,已知xy满足等式(3+√5)x-(2-3√5)y=5-2√5,求x-2y的平方根
设x、y是有理数,并且x、y满足等式x的平方+2y+y√3=17-4√3,求x、y的值.
设x,y是有理数,且x,y满足等式x^2+2y+√2y=17-4√2,求x,y的值
设x,y是有理数,且x,y满足等式x+2y-y√2=17+4√2,求(x+y)∧2010的值
设x、y是有理数,并且x、y满足等式x^2+2y+√3y=17-4√3 求x+y的值
设xy是有理数,且xy满足等式x+2y-√2y=17+4√2,试求(√x+y)2009次方
设xy为有理数,并且满足等式x +2y - √2 y = 17 + 4√2试求(√x+y)
设xy为有理数,并且满足等式x +2y - √2 y = 17 + 4√2试求x+y.
设xy为有理数,并且满足等式x平方+2y+(根号2)y=17-4倍根号2,求x+y的值