Ответ:
1)1/2-(+4)=4 1/2= 4 1/2=4.5
2)-5/11-(-5/11)=(-5/11)-(-5/11)=0
3)-5-(2 1/3)=2 2/3
4)-8-(1/7)=7 3/4
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Ответ:
1)1/2-(+4)=4 1/2= 4 1/2=4.5
2)-5/11-(-5/11)=(-5/11)-(-5/11)=0
3)-5-(2 1/3)=2 2/3
4)-8-(1/7)=7 3/4