把0,1,2,3,4,5,6,7,8,9,十个数填在○里每个数只用一次.○＋○＝○＋○＝○＋○＝○＋○＝○＋○
○＋○＝○＋○＝○＋○＝○＋○＝○＋○怎么填啊,急