modify Chinese version according to English Version for num 5 and num 6#2567

bishabosha merged 2 commits intoscala:mainscala/docs.scala-lang:mainfrom

benluo:_zh-cn/overviews/scala3-book/-num5-6benluo/docs.scala-lang:_zh-cn/overviews/scala3-book/-num5-6Copy head branch name to clipboard