Respostas

2014-03-08T18:41:41-03:00
(Fiz 9 multiplicando 3)
6. {3 + [( 27-22) +2]} --->
6.{ 3 + [5 +2]} ---->
6.{ 3 + 7} --->
6.10= 60
2014-03-08T19:26:58-03:00
6*{3+[(9*3-22)+2]}=
6*{3+[5+2]}=
6*{3*7}=
6*10=
60
, Resposta ! 
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