Ответ:
[tex]1[/tex]
Пошаговое объяснение:
[tex]9 - 7 \frac{3}{4} \div \frac{31}{60} - (7 \frac{2}{9} \times ( - \frac{63}{65} )) = 9 - \frac{31}{4} \times \frac{60}{31} - ( \frac{65}{9} \times ( - \frac{63}{65})) = 9 - 15 - ( - 7) = 9 - 15 + 7 = 16 - 15 = 1[/tex]
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Ответ:
[tex]1[/tex]
Пошаговое объяснение:
[tex]9 - 7 \frac{3}{4} \div \frac{31}{60} - (7 \frac{2}{9} \times ( - \frac{63}{65} )) = 9 - \frac{31}{4} \times \frac{60}{31} - ( \frac{65}{9} \times ( - \frac{63}{65})) = 9 - 15 - ( - 7) = 9 - 15 + 7 = 16 - 15 = 1[/tex]