[填空题]
A close inspection of an electric circuit revealszghe ;hh;cu.u.zr,ds o+mh-k6 ;0tn u tha 6 o;+tjn059opk cyxgct a $480-\Omega$ resistor was inadvertently soldered in the place where a $320-\Omega$ resistor is needed. How can this be fixed without removing anything from the existing circuit? $\Omega$
