Respostas

2014-03-28T13:09:04-03:00
A) -3(-1)(2) + 2 = 8
b) 3(2) + 4(5) = 26
1 5 1
2014-03-28T14:41:57-03:00
A) -3.(-1)+2=-3+2=-5
b)3.2+4.5=6+20=26