Zapisz za pomocą ułamka dziesiętnego:
ile to godzin:2godz 15min,105min,1
-
5 doby
2,15h
1,15h
1h
120 h
2h 15 min = 2h15/60 h = 2,25 h
15 min = 15/60 h = 0,25 h
105 min = 1 h + 45 min = 1 h + 45/60 h= 1,75 h
1/5 doby = 1/5 * 24 h = 24/5 h = 4,8 h
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2,15h
1,15h
1h
120 h
2h 15 min = 2h15/60 h = 2,25 h
15 min = 15/60 h = 0,25 h
105 min = 1 h + 45 min = 1 h + 45/60 h= 1,75 h
1/5 doby = 1/5 * 24 h = 24/5 h = 4,8 h