Respostas

2014-04-14T08:23:44-03:00
S1 = 120 - 30
S1 = 90

S2 = 120 - 10
S2 = 110

Stotal = S1 + S2
Stotal = 90 + 110
Stotal = 200 km

Portanto o deslocamento total ( Stotal ) é 200 km!
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