ВЫПОЛНИТЕ ВЫЧИТАНИЕ 1/2 - (+4) 2) -5/11-(-5/11) 3) -8-(-1/7) 4) 1/6 -(+3) 5)...

Question

ВЫПОЛНИТЕ ВЫЧИТАНИЕ
1/2 - (+4)
2) -5/11-(-5/11)
3) -8-(-1/7)
4) 1/6 -(+3)
5) -5/12-(-4)

Answer 1

1)-7.1/2
2)0
3)-55/7
4)-17/6
5)43/12

Answer 2

1/2 - (+4)=1/2-4=1/2-3 2/2=-3 1/2
-5/11-(-5/11)=-5/11+5/11=0
 -8-(-1/7)=-7 7/7+1/7=-7 6/7
1/6 -(+3) =1/6-2 6/6=-2 5/6
-5/12-(-4) =-5/12+3 12/12=3 7/12