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-66-44=-110
45-54=-9
b)
-9-(-64)=-9+64=55
-111-333=-444
c)
89-(-211)=89+211=300
-7,5-(-2,5)=-7,5+2,5=-5
-66-44=-110
45-54=-9
b)
-9-(-64)= -9+64=55
-111-333=-444
c)
89-(-211)=89 +211=300
-7,5-(-2,5)=-7,5+2,5 =-5
=-9
b} =55
=-444
c} =300
=-5