一本《成语词典》的定价是72元钱,张老师买了4本,共花了多少元钱?3}9A;X.c'D3\5d,K4{
算式:提示:^*l-z+d.A;I+A,s+T/w3}9A;X.c'D3\5d,K4{
答:共花了(K+N8O8M2k7d7j元钱。3}9A;X.c'D3\5d,K4{