Respuesta:
1) - 6
2) - 30
3) - 7
Explicación paso a paso:
1) - (-12)+(-10)+(-5)+(-3)=
12-10-5-3= - 6
2) (-15)+(-4)+(-2)+(-9)=
-15-4-2-9= - 30
3) - (-5+8)+(-3+4)+(-5)=
-(+3)+(+1)-5=
-3+1-5 = - 7
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Verified answer
Respuesta:
1) - 6
2) - 30
3) - 7
Explicación paso a paso:
1) - (-12)+(-10)+(-5)+(-3)=
12-10-5-3= - 6
2) (-15)+(-4)+(-2)+(-9)=
-15-4-2-9= - 30
3) - (-5+8)+(-3+4)+(-5)=
-(+3)+(+1)-5=
-3+1-5 = - 7