Ответ:
Объяснение:
(5/x-1/y)/(5/x+1/y)= (5y-x)/xy:(5y+x)/xy= (5y-x)/(5y+x)
y/x= 1/6
x= 6y
(5y-6y)/(5y+6y)= -y/11y= -1/11
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Ответ:
Объяснение:
(5/x-1/y)/(5/x+1/y)= (5y-x)/xy:(5y+x)/xy= (5y-x)/(5y+x)
y/x= 1/6
x= 6y
(5y-6y)/(5y+6y)= -y/11y= -1/11