http://mo-oka.livejournal.com/ ([identity profile] mo-oka.livejournal.com) wrote in [personal profile] sly2m 2016-11-07 11:06 pm (UTC)

как-то я не очень поняла задачу..

"...шанс рождения мальчика строго равен шансу рождения девочки, 50% соответственно." - "Каков шанс (в процентах), что младшая тоже девочка?"

чую где-то подвох)))
(137 comments)

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