关于布尔代数的一个问题啊!题目看不懂的说~what boolean search would you use to look for web pages about hiking in west viginia what if you wanted to find web pages zhout hiking in virginia,but not in west virginia?

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关于布尔代数的一个问题啊!题目看不懂的说~what boolean search would you use to look for web pages about hiking in west viginia what if you wanted to find web pages zhout hiking in virginia,but not in west virginia?

关于布尔代数的一个问题啊!题目看不懂的说~what boolean search would you use to look for web pages about hiking in west viginia what if you wanted to find web pages zhout hiking in virginia,but not in west virginia?
关于布尔代数的一个问题啊!题目看不懂的说~
what boolean search would you use to look for web pages about hiking in west viginia what if you wanted to find web pages zhout hiking in virginia,but not in west virginia?

关于布尔代数的一个问题啊!题目看不懂的说~what boolean search would you use to look for web pages about hiking in west viginia what if you wanted to find web pages zhout hiking in virginia,but not in west virginia?
假如要找如何在西弗吉尼亚州步行的网页,应该是用怎样的布尔表达式?
假如你要找关于弗吉尼亚州,不包括西弗吉尼亚州步行的网页,又该如何修改?
做了一段翻译练习,热身一下,去考高级口译.

看开关代数,近世代数,你练习吧,and.