Предмет: Алгебра, автор: Морж

Возрастающая последовательность состоит из всех натуральных чисел, которые при делении на 5 дают в отсатке 1.Выясните являются ли она арифмитической прогрессией. Если да,то укажите первый член и разность прогрессии

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Автор ответа: stepa1211

Её первый член 1 второй 6 дальше 11 16 21 26 .... Это арифметическая прогрессия, т.к. разность мужду предыдущим и последующим членами отличается на 5. Её первый член 1 а разность 5.

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