[理工] 资结 B tree insertion

楼主: gary19941208   2016-06-17 12:54:38
http://i.imgur.com/YiEVB9l.jpg
请问给予上述2-3 tree,插入180,需要几次disk I/O运作?(不太清楚disk I/O要怎么算

谢谢!

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