Respuestas

2012-10-19T22:57:56+02:00

18-3.(-3)+3.(2).(-4)

18+9+6.(-4)

18+9-24

27-24

3

2012-10-19T23:00:27+02:00

18-3.(12-15)+3.(6-4).(5-9)

18-3(-3)+3(2)(-4)

18+9-24

27-24

3