Question

$3 - (2 + (11 - 15) - (5 + ( - 3 + 1)) + 8)$
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Answer 1

Resposta:

$3 - (2 + (11 - 15)) - (5 + ( - 3 + 1) + 8) = \\ 3 - (2 + ( - 4)) - (5 + ( - 2) + 8) = \\ 3 - ( - 2) - 11 = \\ 5 - 11 = - 6$