Respostas

2014-03-02T16:37:12-03:00
(+10).(-2).(+1).(-3).(+2)
-20.-3.2
-20.-6
120
2014-03-02T16:37:33-03:00
10 · (-2) · 1 · (-3) · 2 =
-20·1·(-3) · 2 =
60·2=120