Odpowiedzi

2009-10-28T16:09:41+01:00
2009-10-28T16:10:42+01:00
2009-10-28T16:11:21+01:00
20-0,5+0,55-0,555 = 19,5 +0.55 - 0.555= 20.05 - 0.555 =19, 495
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