2 - x E + x
E^(2 - x) + x при x = 4
E^(2 - x) + x
E^(2 - (4)) + (4)
E^(2 - 4) + 4
4 + exp(-2)
2 - x x + e
x + 2.71828182845905^(2.0 - x)
2 -x x + e *e