2 2 2 2 2 =7 поставить знаки 2 2 2 2 2 = 15 2 2 2 2 2 =11 2 2 2 2 2 =28
2/2+2+2+2=7, 22-(2+2+2) =15, 22/2 + (2-2) = 11, 22+(2+2+2) = 28
2/2+2/2+2/2+2+2=7 фвфыв