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9分之4的倒数比9分之4多百分之几
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人气:137 ℃ 时间:2020-07-07 07:28:38
解答
[1/(4/9)-4/9]÷4/9
=[9/4-4/9]÷4/9
=65/36x9/4
=65/16
=4.0625
=406.25%
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