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O=πd
2000*60π =120 000π cm=1200π m =1,2π km
π≈3,14
1,2*3,14 km =3,768 km odleglośc
L=60*3,14=188,4cm
188,4cm*2000=376800cm=3,768km
Mysle ze pomoglem, licze na naj :)