Question

(-9+5)-(9-4)+(6+3)-(7-5)+(6+3-8) resolva:

Answer 1

(-9+5) - (9-4) + (6+3) - (7-5) + (6+3-8)

(-2) - (+5) + (+9) - (+2) + (+1)

-2 - 5 + 9 - 2 + 1

-7 + 7 + 1

0 + 1 = 1