Предмет: Математика, автор: svetabashkirova0000

Что означает, что внутри множества натуральных чисел выполнимы сложение и умножение?
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Автор ответа: mmb1

это означает,

что сложение натуральных чисел 1 + 2 = 3 1 + 4 + 5 = 10 тоже натуральное число

что умножение натуральных чисел 1 * 2 = 2 1 * 4 * 5 = 20 тоже натуральное число

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а вот вычитание 3 - 5 = -2 и деление 1 : 2 = 0.5 могут быть невыполнимы, результат ненатуральное число

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14. A: “ Could you _____ me where the post office is, please ? ”
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Что означает, что внутри множества натуральных чисел выполнимы сложение и умножение? Приведи примеры ​

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Что означает, что внутри множества натуральных чисел выполнимы сложение и умножение?
Приведи примеры