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7. Найдите сумму всех натуральньх чисел, кратных 11 , которые боль- ше 100 и меньше 180 .

Ask by Ortega Turnbull. in Russia
Mar 18,2025

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Сумма всех натуральных чисел, кратных 11, которые больше 100 и меньше 180, равна 1001.

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Сначала найдем все натуральные числа, кратные 11, в заданном диапазоне от 100 до 180. Это 110, 121, 132, 143, 154, 165, 176. Теперь сложим все эти числа: 110 + 121 + 132 + 143 + 154 + 165 + 176. Получается 110 + 121 = 231, 231 + 132 = 363, 363 + 143 = 506, 506 + 154 = 660, 660 + 165 = 825, 825 + 176 = 1001. Таким образом, сумма всех натуральных чисел, кратных 11, которые больше 100 и меньше 180, равна 1001.

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