С(2,4)*С(1,4)*С(13,28) / С(15,36) = 898611840 / 5567902560 = 0.1613...
16 процентов с копейками
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С(2,4)*С(1,4)*С(13,28) / С(15,36) = 898611840 / 5567902560 = 0.1613...
16 процентов с копейками