Question

a) -5 – [-17 + (15 -6)] + (-15 - 8) – {-1 + (8 - 9) + (7 - 10)}

Answer 1

Explicación paso a paso:

-5 – [-17 + (15 -6)] + (-15 - 8) – {-1 + (8 - 9) + (7 - 10)

-5 – [-17 + (9)] + (-23) – {-1 + (-1) + (-3)}

-5 – [-17 + 9] - 23– {-1 - 1- 3}

-5 – [-8] - 23– {-5}

-5 + 8 - 23+5

-28+13

-15