I think students can refer to different methods to solve the problem after they have given their answers and then combine them with their own answer so that they can really benefit from it. But if they can even not finish their homework ,they should not search the Internet for answers,which does no good for mastering knowledge. I think students can refer to different methods to solve the problem after they have given their answers and then combine them with their own answer so that they can really benefit from it. But if they can even not finish their homework ,they should not search the Internet for answers,which does no good for mastering knowledge.