Question

Cual es el valor de(-2)(+8)-[(-2)+(-9)-(-4)] (3)
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Answer 1

Respuesta:

-2+8=6. -2+9=7. -4+3=-1

Answer 2

$(-2)(+8)-[(-2)+(-9)-(-4)] (3)\\\\(-2)(+8) - [ (-11) - (-4) ] (3)\\\\(-2)(+8) - [ ( -7 ) ] (3)\\\\6 - [ ( -21)]\\\\27$