niemowlę śpi 20h. jaka to część doby?
20/24= 5/6
odp. 20h to 5/6 doby.
doba = 24 h
20/ 24 = 10/12= 5/6
odp. To 5/6 doby.
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20/24= 5/6
odp. 20h to 5/6 doby.
doba = 24 h
20/ 24 = 10/12= 5/6
odp. To 5/6 doby.