-23*(5 - 2*y) /2*y \ ------------- - 25*|--- + 3| + 97 5 \ 5 /
(-23*(5 - 2*y))/5 - 25*((2*y)/5 + 3) + 97 при y = 1
(-23*(5 - 2*y))/5 - 25*((2*y)/5 + 3) + 97
(-23*(5 - 2*(1)))/5 - 25*((2*(1))/5 + 3) + 97
(-23*(5 - 2))/5 - 25*(2/5 + 3) + 97
-9/5
-1.0 - 0.799999999999999*y