一个菜地的周长是160米,长是50米,宽式多少米?'A-p2i8E9M7p4L
算式:提示)i8^3^7X4w.M'A-p2i8E9M7p4L
答:宽是)y0T1?9R/w5v2s8C0N3m.Z2O-u(v米。'A-p2i8E9M7p4L