А12- 1Добавлено (2009-05-26, 12:53 Pm)
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20/2*5=2
20/2*5 = 10*5 = 50
Добавлено (2009-05-26, 12:53 Pm)
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А13-4
Добавлено (2009-05-26, 12:54 Pm)
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А14 - 3