一条大毛巾38元，给售货员50元，应找回多少元？)y9g.N4x:d*}({:D(d:m
算式：提示)j-i4I;H0|1|)y9g.N4x:d*}({:D(d:m
答：应找回6h;]7S9t-l3I0j元。)y9g.N4x:d*}({:D(d:m