256× 254/255+254×1/255怎么算
问题描述:
256× 254/255+254×1/255怎么算
答
=(1+255)×254/255+(255-1)×1/255=254/255+254+1-1/255=255+253/255=255又253/255
256× 254/255+254×1/255怎么算
=(1+255)×254/255+(255-1)×1/255=254/255+254+1-1/255=255+253/255=255又253/255