zadanie 13 a) 1200 sekund - ile to minut b)2.75 minut - ile to sekund ? c) 3 3,8 doby (inaczej jedna czecia) - ile to godzin d) 3600 minut - ile to godzin DAJE NAJ dzisaj

1200 s = 1200 / 60 = 20 min 2 min 75 s = 2*60 + 75 = 195 s 3 3/8 doby = 3 * 24 + 3/8 * 24 =  72 + 9 = 81 godz 3600 min = 3600 / 24 = 150 godz

a) 1200sek = 20min = 1/3h b) 2 i 3/4min = 60sek + 60sek + 45sek = 165sek c) 3 i 1/3 doby = 24h + (24:3) = 24h + 8h = 32h d) 3600:60 = 60h