Respostas

2014-07-03T23:45:27-03:00
A) Sm= 35+4t Sm= 35+4.3 Sm=47
Sh= 85-2t Sh= 85+2.3 Sh= 79
b) Sm=Sh 35+4t=85-2t 6t=50 t=8,3
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