Question

выполните сложение 1/2 - (+4); -5/11 - (-5/11); -5-(-2 1/3) -8- (-1/7) 1/6- +(3) 5/12-(-4)

Answer 1

1/2-4=-3-1/2; -5/11-(-5/11)=-5/11+5/11=0 ;