Vпо течению = Vкатера + Vреки = 21 5/8 + 3 1/2 = 24 + 5/8 + 4/8 = 25 1/8
Vпротив течения = Vкатера - Vреки = 21 5/8 - 3 1/8 = 18 + 5/8 - 4/8 = 18 1/8
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Vпо течению = Vкатера + Vреки = 21 5/8 + 3 1/2 = 24 + 5/8 + 4/8 = 25 1/8
Vпротив течения = Vкатера - Vреки = 21 5/8 - 3 1/8 = 18 + 5/8 - 4/8 = 18 1/8