商店上午卖出皮鞋18双，下午卖出皮鞋23双。下午比上午多收入425元，每双皮鞋多少钱？0^5I:h4_(J(g0[2o
算式：提示7v1V:x-_7R0^5I:h4_(J(g0[2o
答：每双皮鞋4m(L/?+x4i+?6d元钱。0^5I:h4_(J(g0[2o