Предмет: Математика, автор: павпа

Цифры некоторых разрядов чисел 22*** и 37*** заменены звёздочками.Напишите сумму и произведение этих чисел, округлённые до своих старших разрядов

Ответы

Автор ответа: mefody66
0
Сумма
22000 + 37000 = 59000 ~ 60000
22999 + 37999 = 23000 + 38000 - 2 = 60998 ~ 60000
Произведение
22000*37000 = 814 000 000 ~ 800 000 000
22999*37999 = 873 939 001 ~ 800 000 000

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