Предмет: Математика, автор: vesejozivlenie

Помогите пожалуйста. Только 1 пример! Дам 20 баллов ​

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Автор ответа: Evstafevadina7
0

Ответ:

Пошаговое объяснение:

6 3/7 а +1 1/2 а, пры а=14

7 13/14 а, пры а=14

7 13/14 ×14=7 × 13/1=17 × 13=221

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