Respuesta:
a) 2- (-3) -5 +4.(-7)
2+3-5-28
-28
b)-4-(-3) + (-3) - (-2) - 12 : (-3)
-4+3-3+2+4
2
c) (-1)-(-12) - 12. (-3) + 20
-1+12-12+36+20
55
d) 32 - (-27). 3+ (-48): 6
32+81-8
105
e) 45:(-5)-6. (-4)-(-5) - (-3)
-9-120+3
-126
Explicación paso a paso:
Ley de signos X ddddd
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Respuesta:
a) 2- (-3) -5 +4.(-7)
2+3-5-28
-28
b)-4-(-3) + (-3) - (-2) - 12 : (-3)
-4+3-3+2+4
2
c) (-1)-(-12) - 12. (-3) + 20
-1+12-12+36+20
55
d) 32 - (-27). 3+ (-48): 6
32+81-8
105
e) 45:(-5)-6. (-4)-(-5) - (-3)
-9-120+3
-126
Explicación paso a paso:
Ley de signos X ddddd