Respostas

2013-10-03T18:09:12-03:00
9 .  \sqrt{2} . 5 .  \sqrt{2}
45 .  \sqrt{2}  ^{2}
45 . 2
= 90
  • Usuário do Brainly
2013-10-03T18:19:39-03:00
9 .  \sqrt{2} . 5 .  \sqrt{2} =
9. (1,4) . 5 . (1,4) = 
12,6 . 5 . (1,4) =
63 . (1,4) = 88,2

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