|x-y+3|与|x+y-99|互为相反数,求x-y除以x+y的值

|x-y+3|与|x+y-99|互为相反数,求x-y除以x+y的值 若丨x-y+3丨与丨x-y-1999丨互为相反数,求x+y/x-y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. 若|X-3|与|Y+2|互为相反数,求x+y+99的值! |x+3|与|y+2|互为相反数,求x+y+99的值 :|x-3|与|y+2|互为相反数,求x+y+99的值 答好送100分已知|x-y|与（y+x)互为相反数,求x+y的值 问:已知X+Y互为相反数,求X+Y与Y分之X的值 若|3-x|与|x+y|互为相反数,求(x-y)/xy的值. 2y-4的立方根与4-3x的立方根互为相反数,求x除以y的值 若2y-4的立方根与4-3x的立方根互为相反数,求x除以y的值