若xy互为相反数,求x+2x+3x+...+100x+100y+99y+98y+,+2y+y的值

若互为ab互为相反数,x y互为倒数,(a+b)2/xy求的值 若|3-x|与|x+y|互为相反数,求(x-y)/xy的值. 若x-y-3的绝对值与(xy+2)²互为相反数求5（x-y)-2[xy-(x-y)]-3[2（x-y)-3xy]的值 xy互为相反数,ab互为倒数,求1/2(x+y)+3ab=? 若|x-1|与|y+3|互为相反数,求1-xy-xy的平方的值 (x—3)^2与|y+2|互为相反数,求xy/x+y的值 x+3的绝对值与y+2的绝对值互为相反数,求xy-x/y 若根号3x-2y-1与根号2x+y-3互为相反数求(xy)2010 若|2x+y-3|与(y-2)²互为相反数,求4x²y-3xy的值? 若|X-2|与（Y+3）次方互为相反数求XY+（Y+X)的2007次方的值 已知ab互为倒数,xy互为相反数,求3ab+2x+2y-x/y的值 若|x-3|与|2y-3|互为相反数,则xy+x-y的值等于----- 若x+3的绝对值与(xy-1)×(xy-1)互为相反数,求x+y的值 已知|x-y+3|与2(x+2)²互为相反数求x²+2xy+y²的值 已知|x+3y+6|与|2x-y+5|互为相反数,求（x+y)-xy的值 若xy互为相反数,求x+2x+3x+...+100x+100y+99y+98y+,+2y+y的值 若(2x-1)²与√y-2互为相反数,求√xy 若 （2x-1)²和√y-2互为相反数,求√xy的值