Предмет: Математика, автор: romapastushok2010

Задача
Середнє арифметичне двох чисел дорівнює 21. Знайди ці числа якщо одне з них у 5 разів більше за друге.

sergejpankratov46: https://znanija.com/task/49105773 помогите мне пж.
romapastushok2010: спочатку мне поможи а потом я тобі
sergejpankratov46: ок

Ответы

Автор ответа: saga73m
2

Відповідь: 35

Покрокове пояснення: 35\5=7; 7+35 = 42\2=21

sergejpankratov46: https://znanija.com/task/49105773 - помогите мне пж.
romapastushok2010: дитальний
romapastushok2010: ну з умовою з рівняням
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