Odpowiedzi

2010-04-01T20:40:13+02:00
960-120=840
840:120 = 7
7 x 5 godzin = 35 godzin
12 4 12
2010-04-01T20:41:56+02:00
120-5h(300min)
960-x
120x=950*300 |:120
x=2375 min
6 2 6
2010-04-01T20:43:59+02:00
960-120=840
840:120=7
5h=300min
7*300min=2100min=35h
*to mnożenie
5 2 5