Respostas

2014-09-03T16:49:16-03:00
1tonelada --- 1000kg
4,5toneladas--x

x= 45.10^{-1}.10^3=45.10^2=4500kg
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2014-09-03T16:49:41-03:00
1tonelada --- 1000kg
4,5 toneladas --- x

X= 1000.4,5

X= 4500kg
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