Explicación paso a paso:
a = - 12
b = - 15
c = 48
d = 18
A.
a + b - c
Reemplazamos,
-12-15-48
-75
B.
( a - b ) - ( c + d )
(-12-(-15)) - (48+18)
(-12+15) - (66)
3 - 66
-63
Esperó Te Sirva, Saludos JB.
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Explicación paso a paso:
a = - 12
b = - 15
c = 48
d = 18
A.
a + b - c
Reemplazamos,
-12-15-48
-75
B.
( a - b ) - ( c + d )
Reemplazamos,
(-12-(-15)) - (48+18)
(-12+15) - (66)
3 - 66
-63
Esperó Te Sirva, Saludos JB.