Explicación paso a paso:
-20+(-10)=-30
5-(-5)=10
(-4)(-2)= 8
6(3+(6))= 54
4x(7)-12/2= 8
-10 (-10)= 100
-1 + (1)(1)= 0
-4+(-3)-( -5)= -2
(15)+ (5)(-2)= 5
(2-4)( -4)/ -1-1=4
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Explicación paso a paso:
-20+(-10)=-30
5-(-5)=10
(-4)(-2)= 8
6(3+(6))= 54
4x(7)-12/2= 8
-10 (-10)= 100
-1 + (1)(1)= 0
-4+(-3)-( -5)= -2
(15)+ (5)(-2)= 5
(2-4)( -4)/ -1-1=4