Предмет: Математика, автор: Яна0309

Найдите сумму всех целых чисел, располоденых между числами -4,9 и 3,4

Ответы

Автор ответа: ЛилуЛу
1
(-4) + (-3) + (-2) + (-1) + 1 + 2 + 3=   (-10) + 6 = (-4)

Ответ: сумма всех целых чисел будет равна (-4).

inessa0865: т.к. сумма противоположных чисел равна 0, то складывать не нужно было, а сразу ответ (-4)
inessa0865: иначе, на самостоят или контрол это будет, как недочет
ЛилуЛу: Можно зачеркнуть противоположные числа -4 и 4, -3 и 3, -2 и 2, -1 и 1.
И у нас остаётся -4.
ЛилуЛу: Вернее -3 и 3, -2 и 2 , -1 и 1 .
Все, кроме -4.
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