已知丨x-y+1丨与x²+8x+16互为相反数,则x²+2xy+y²=?
已知丨x-y+1丨与x²+8x+16互为相反数,则x²+2xy+y²=?
1、已知|x-y+1|与x²+8x+16互为相反数,求x²+2xy+y²的值
已知x²-4x+4与|y—1|互为相反数,则式子(1/x+1/y)÷(x²+2xy+y²)
已知丨x+y+1丨与(x-2y)²互为相反数,试求x、y的值.
已知x²-4x+4与丨y-1丨互为相反数,则式子(x/y-y/x)÷(x+y)的值等于多少?
已知|x+3|与|y+2|互为相反数,则XY—X/y=
已知1+x²-2x与y-2x的绝对值互为相反数,则x的y方=
1.已知(3X-2Y+1)²与丨4X-3Y-3丨互为相反数,求X、Y的值
已知x-y+1的绝对值与x²+8x+16互为相反数,则x²+2xy+y²=_____
已知根号下x-y+1与x的平方+8x+16互为相反数求x的平方+2xy+y的平方的值
已知|x-y+1|与x2+8x+16互为相反数,求x2+2xy+y2的值.
已知│x-y+1│与x2+8x+16互为相反数,求x2+2xy+y2的值.