若|2x+y-3|与(y-2)²互为相反数,求4x²y-3xy的值?
若|2x+y-3|与(y-2)²互为相反数,求4x²y-3xy的值?
若|2x+y-3|与(y+2x)²互为相反数,求4x²y-3xy的值
若|3-x|与|x+y|互为相反数,求(x-y)/xy的值.
已知|x+3y+6|与|2x-y+5|互为相反数,求(x+y)-xy的值
已知|x+3y+6|与|2x-y+5|互为相反数,求x+y-xy的值
若/x+2/与(y-3)²互为相反数则xy的值为
已知:(x-y)²与√5x-3y-6互为相反数,求:√x²+2xy+y²的值
若|x+y|与|2y-3|互为相反数,求2x+y的值
若|x+y|与|2y-3|互为相反数,求2x+y的值.
已知(x+2)²与|y-3|互为相反数,求x的y次方的值
已知(x+2)²与|y-3|互为相反数,求x^y的值.
若3|x+2|与{y-5}的平方互为相反数,求-y的平方-2xy的值