Решите уравнение .115-(35+y)=39,28-t+35=53
115-(35+y)=39,28-t+35=53 1)39,28-t-35=53 t=39.28+35-53 t=21.28 2)115-(35+y)=53 115-35-y=53 y=115-35-53 y=27