Предмет: Математика, автор: rrtttettr

докажите,что:если b > 5,то b-1/2 - 2 > 0

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Автор ответа: fadarm

пусть b=5, тогда 5-2,5=2,5; а 2,5>0. У нас же b>5, то есть значения будут больше чем 5, а значит они так же будут больше 0.

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