已知a和b互为倒数,2分之a/b分之2等于?

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a/2除以2/b
=a/2*b/2
=4/1
因为2个互为倒肢绝数的数相乘的液行话=1
希望对你有帮历埋姿助

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倒数则ab=1
(a/2)/(2/友肢拦b)
=a/2*b/2
=(ab)/4
=1/好胡饥肢4

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a和b互为倒数，则ab=1
2分之a/b分之2
=4分之ab
=4分之1

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a和b互为倒数
ab=1
2分之a/b分之2=ab／4=¼

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ab=1
a/2*b/2=1/4

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