Question

6 - (-9 + 7 - 1) - [ 3 - (-5 + 4 + 6) - 1]​

Answer 1

Explicación paso a paso:

6 - (-9 + 7 - 1) - [ 3 - (-5 + 4 + 6) - 1]

6-(-3)-[3-(+5)-1]

6+3-[3 - 5-1]

6+3[-2-1]

6+3[-3]

6-9

-3