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因为××5=1,所以、、5互为倒数. (判断对错)
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因为××5=1所以5互为倒数.判断对错
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因为a×b=1所以a和b互为倒数..判断对错
因为0.25+0.75=1所以0.25和0.75互为倒数判断对错
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因为××5=1所以5互为倒数.判断对错
因为+=1所以和互为倒数..判断对错
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因为××5=1所以5互为倒数.判断对错
因为××=1所以这几个数互为倒数.判断对错
因为0.25×4=1所以0.25和4互为倒数.判断对错
因为a×b=1所以a和b互为倒数..判断对错
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