Respostas

  • Usuário do Brainly
2014-07-20T00:10:15-03:00
A ) -1.-1.-1.-1=+1

b)=13.13=169

c)=-5.-5.-5=-125

d)=-100000

e)=-1,3.-1,3=+1,69

f)=-0,1.-0,1.-0,1=-0,001