Question

{2 + [2 × 7 × -3 - ( 4 ÷ -2 - 7)}​

Answer 1

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Resolver--> operacion combinada.

{2 + [2 × 7 × -3 - ( 4 ÷ -2 - 7)}

=2+(14)(−3)−(4×(−2)−7)

=2+−42−(4×(−2)−7)

=2−42−(−2−7)

=2−42−(−9)

=2+−33

=−31