甲、乙两人分别从A、B两地相向而行,甲平均每小时行6千米,乙平均每小时行4.5千米,相遇时距中点9千米,A、B两地路程是多少千米?;}7T9i8g:x
算式:提示0t(@9M;}7T9i8g:x
答:A、B两地路程是8P+\4B+L/x,a:C0m6]9N千米。;}7T9i8g:x