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(9又6/17+5又14/29)*(6/17+6/29)全过程
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(9又6/17+5又14/29)*(6/17+6/29)全过程
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答案和解析
(9又6/17+5又14/29)*(6/17+6/29)
=(159/17+159/29)*(6/17+6/29)
=159*(1/17+1/29)*6*(1/17+1/29)
=（160-1）*6**(1/17+1/29)^2
=954*(46/493)^2
=954*46^2/493^2
=2018664/243049
题目如是
(9又6/17+5又14/29) / (6/17+6/29)
=(159/17+159/29)/(6/17+6/29)
=159*(1/17+1/29)/[6*(1/17+1/29)]
=159/6
=53/2
=(159/17+159/29)*(6/17+6/29)
=159*(1/17+1/29)*6*(1/17+1/29)
=（160-1）*6**(1/17+1/29)^2
=954*(46/493)^2
=954*46^2/493^2
=2018664/243049
题目如是
(9又6/17+5又14/29) / (6/17+6/29)
=(159/17+159/29)/(6/17+6/29)
=159*(1/17+1/29)/[6*(1/17+1/29)]
=159/6
=53/2
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