Question

Efectua las siguientes operaciones combinadas 9-(6/7 + 7) + [2 -1/2 - (7 -1/2)] +3

Answer 1

9-(6/7 + 7) + [2 -1/2 - (7 -1/2)] +3
9 - ( (6 + 42) / (7)) + [2 -1/2 - ((14 - 1) /(2)] +3
9 - (48 / 7) + [2 -1/2 - (13/2)] +3
9 - 48 / 7 + [ (4 - 14) /(2) ] +3
9 - 48 / 7 - 10 /2 + 3
12 - 48 / 7 - 10 /2
(168 - 96 - 70) / (14)
-2/14
-1/7