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луна76
@луна76
July 2022
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karakhanyanart
( x/(xy-y²) ) / ( 2/(x²-y²) ) = ( x/y*(x-y) ) / ( 2/(x-y)*(x+y) ) =
= ( x*(x+y) ) / (2*y) = (x²+xy) / (2*y)
Если x= 1.1, a y= -0.5, то
(x²+xy) / (2*y) = ( 1,1²+1,1*(-0,5) ) / ( 2*(-0,5) )=
= (1,21-0,55) / (-1) = -0,66
Ответ: -0,66
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луна76
спосибо, я блогодарна тебе
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Answers & Comments
= ( x*(x+y) ) / (2*y) = (x²+xy) / (2*y)
Если x= 1.1, a y= -0.5, то
(x²+xy) / (2*y) = ( 1,1²+1,1*(-0,5) ) / ( 2*(-0,5) )=
= (1,21-0,55) / (-1) = -0,66
Ответ: -0,66