Odpowiedzi

2009-12-13T20:27:55+01:00
A]6 kg/m3 = 0.006 kg/dm3
b] 56 kg/m3 = 56 g/dm3
c] 45 kg/m3 =45 g/dm3
d] 52 kg/m3 = 0,052 kg/dm3
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