Предмет: Математика, автор: stecelizaveta3

допоможіть будь ласка.30 балів.

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Автор ответа: Fouden81

1

Відповідь:

168 книжок

Покрокове пояснення:

7х6х4=168
168:4=42
168:6=28
168:7=24

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