Question

10-{-15+4-[8-(3-7+(-5+2)+(-15-16)]}

Answer 1

10-{-15+4-[8-(3-7+(-5+2)+(-15-16)]}
10-{-15+4-[8-3-7-3-31]}
10-{-15+4+38}
10-{-11+38}
10-27
-17


R=-17

BONS ESTUDOS!