Odpowiedzi

2009-12-02T23:01:25+01:00
2009-12-02T23:02:37+01:00
2009-12-02T23:05:17+01:00
1h = 60min = 100%
godzian lekcyjna = 45min = ?%

60 : 4 = 15min
100 : 4 = 25%
15min = 25%

15 x 3 = 45min
25 x 3 = 75%

Lub w ułamku: 3/4
1 5 1