Sumar y restar numeros enteros
a. (-9) + 4 =
b. (-9) - (-4)=
a. (-9) + 4 =
b. (-9) - (-4)=
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(-9) + 4
-9 - 4
-5
(-9) - (-4)
(-9) + (-4)
(-13)
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Explicación paso a paso:
a) (-9) + 4 = -9+4 = 5 respuesta
b) (-9) - ( -4)= -9 + 4 = 5 respuesta