一百文钱买一百只鸡,大鸡每只八文钱,小鸡一文钱买三只,中鸡三文钱一只,大,中,小鸡各买几只?
http://cache.baidu.com/c?word=%B3%F5%D2%BB%3B%B4%FA%CA%FD&url=http%3A//www%2Eltzw%2Ecom/zuowen/person/12001%2D15000/13953/39209%2Ehtm&b=0&a=70&user=baidu