Предмет: Математика, автор: Аноним

Вычислите: 3-1+7-5+…+99-97
A) 50 B) 48 C) 46 D) 52

Аноним: Прошу кто знает помогите пж

Ответы

Автор ответа: dmiruzaeva
1

Ответ:

48, я думаю

Пошаговое объяснение:

заметим, что разность первыз двух, и далее последующих числе равна 2.

99-3=96

96/2=48

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