Question

[ 13 + (10-6) +4 ] Resolva

Answer 1

[13 + (10-6) + 4]
[13 + (4) + 4 ]
[13 + 4 + 4 ]
[21]
Resposta : 21

Answer 2

13 + 10 - 6 + 4
13 + 10 + 4 - 6
27 - 6
21