Respostas

2014-02-14T17:23:15-02:00
(35+22)-(32+20)= 57 - 52= 5
2 3 2
2014-02-14T17:24:26-02:00
35+22-(32 + 20)
32+20=52
35+22=57
57-52=5
2 5 2