网址:http://m.1010jiajiao.com/timu3_id_717174[举报]
若与-5互为相反数,则=_________;若的绝对值是,则=_________.
若与|x+y-3|互为相反数,则x=________,y=________.
若|a-b+1|与互为相反数,则(a+b)2004=________.