ответ:1/2-(+4)=1/2-4=-3 1/2
-5/11-(-5/11)=-5/11+5/11=0
-5-(-2 1/3)=-5+2 1/3=-2 2/3
-8-(-1/7)=-8+1/7=-7 6/7
-5/12-(-4)=-5/12+4=3 7/12
1/6-(+3)=1/6-3=-2 5/6
Пошаговое объяснение:
1/2-(+4)=1/2-4=-31/2
-5-(-2 1/3)=-5+2 1/3=-2 2/3
1/6-(+3)=1/6-3=-2 5/6
-5/11-(-5/11)=-5/11+5/11=0
-8-(-1/7)=-8+1/7=-7 6/7
-5/12-(-4)=-5/12+4=3 7/12
