Respostas

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2014-04-29T21:12:49-03:00
[2.(2/10 -  6/3) +1] -2
[2.(6/30 - 60/30) +1] -2
[2.(54/30) +1] -2
[2.(9/5) +1] -2
[18/5 +1] -2
[18/5 +5/5] -2
23/5 -2
23/5 - 10/5
13/5
1 5 1