一段铁丝用去14.55米,还剩3.37米。这段铁丝原来长多少米?'s;c(O,P/^/M7x([4k
算式:提示)o7A.C*v.@'M+J;k.`9}'s;c(O,P/^/M7x([4k
答:这段铁丝原来长'p(d1y3O:B*W*S0Z9\,K米。's;c(O,P/^/M7x([4k