一共有57棵树苗，每行种8棵。可以种几行？还剩几棵？+Q-b3X+F)|9@)R
算式：提示'f5E1l+\3V2b:H,f2G,A+m-u+Q-b3X+F)|9@)R
答：可以种'|*~*K2W2P7c8o1D1e行，还剩-I8x,v)j1e'T;q9U5h'j;B8M/R棵。+Q-b3X+F)|9@)R