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IP屬地：吉林
這是-128的補(bǔ)碼表示。0沒有正負(fù)之分；如果不引進(jìn)補(bǔ)碼的概念，計(jì)算機(jī)計(jì)算的結(jié)果還真會(huì)出現(xiàn)+0、-0的問題，引進(jìn)了補(bǔ)碼的概念就沒有這個(gè)問題了。上面...
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