Question

- 3 + 7 [4 - 5.2 - (+1)] =
​

Answer 1

Respuesta:

$- 3 + 7 [4 - 5 \times 2 - (+1)] = \\ - 3 + 7(4 - 5 \times 2 - 1) = \\ - 3 + 7(4 - 10 - 1) = \\ - 3 + 7( - 6 - 1) = \\ - 3 + 7 \times ( - 7) = \\ - 3 + ( - 49) = \\ - 52$