Предмет: Математика, автор: mariiakoval7777

Добуток чисел 7 і 9 збільшити на 20 одиниць

Ответы

Автор ответа: ruslana770614

Відповідь:

Покрокове пояснення:

7*9=63 добуток чисел;

63+20=83

Або записуємо однією дією:

7*9+20=63+20=83

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