Ответ:\(5\,136+2\,344=7\,480\).\(6\,503+1\,227=7\,730\).\(3\,428+2\,152=5\,580\).\(2\,137+7\,256=9\,393\).\(4\,605+5\,078=9\,683\).\(374+9\,617=9\,991\).\(1\,721+259=1\,980\).\(1\,934+9=1\,943\).\(87+1\,203=1\,290\).