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Transformați : 1). 30 g (grame) = ? Kg (kilograme)
2). 618 hg (hectograme) = ? Kg (kilograme)
3). 21,4 hg (hectograme) = ? g (grame)
3h 25 min 15 s = ? s

Dau coroana!


Răspuns :

1) 30 g = 0,03 kg
2) 618 hg = 61,8 kg
3) 21,4 hg = 2140 g
3h 25min 15s = (3 * 3600) + (25 * 60) + 15 = 10800 + 1500 + 15 = 12315 s
30g= 0,03kg
618hg= 61,8 kg
21,4 hg = 2140 g
3h 25 min 15 s =12315 s