Respuesta:
R= 0
Explicación paso a paso:
a = 1
b = -1
a + b = 1 + ( -1 ) = 1 - 1 = 0
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Verified answer
Respuesta:
R= 0
Explicación paso a paso:
a = 1
b = -1
a + b = 1 + ( -1 ) = 1 - 1 = 0