Răspunsuri

2014-07-25T15:14:05+03:00
2830m=2,83km

1h...........10km
x...............2,83km

x=2,83*1/10

x=0,283 h
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2014-07-25T15:21:17+03:00
Perimetrul este 2830m = 2,830 km
2,830 : 10 km/h = 0.283 h

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