Question

1) (-7 + 2 ) ( -3 ) +`[ 5 - ( 8 ) : ( +2 ) + ( -4 ) ] + ( -9 ) : ( +3 ) Ayudenme Por favor

Answer 1

(-7 + 2 ) ( -3 ) +`[ 5 - ( 8 ) : ( +2 ) + ( -4 ) ] + ( -9 ) : ( +3 )

-5×-3 + [5-4-4] - 3
15 + (-3) - 3
15 - 6
9

Resposta, 9.

Answer 2

= (- 5) . (- 3) + [ 5 - 4 + (- 4) ] - 3

= + 15 + [ 1 - 4 ] - 3

= + 15 - 3 - 3

= + 15 - 6

= + 9