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b)1+(-4)-(-8)=(-3)-(-8)=5
c)2-(-3)-(-6)=5-(-6)=11
d)(-4)-5+(-6)-(-4)=(-9)+(-6)+4=(-15)+4=-11
e)(-3)-6-(-7)-(-1)=(-9)+7+1=-1
b)1+(-4)-(-8)=-3+8=5
c)2-(-3)-(-6)=5+6=11
d)(-4)-5+(-6)-(-4)=-9-2=-11
e)(-3)-6-(-7)-(-1)=-9+7+1=-1