明明比爸爸小28岁，爸爸今年的年龄是明明年龄的5倍，明明和爸爸今年各多少岁？'a(u3Z7p/o
算式：提示*X-r8~.B0Y(L3u(k0a'a(u3Z7p/o
答：明明今年'S/}'x:a8^1z1b:c7C岁，爸爸今年)H0V'b:|(G9B(V+S岁。'a(u3Z7p/o