Respostas

2014-02-26T09:18:09-03:00
13-2  ? 50 + 20
13 - 120 = -107 kkkk valeu

2014-02-26T09:25:13-03:00


13 (-2.5-2.10)+20

13-10(-20+20,SE ANULAM)

13-10

3