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[tex]( \frac{7}{16} - \frac{31}{40} ) - ( - \frac{17}{24} + \frac{27}{40} [/tex]
[tex]( \frac{7}{16} - \frac{31}{40} ) - ( - \frac{17}{24} + \frac{27}{40} [/tex]
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Ответ:
-73/240
Пошаговое объяснение:
(7/16 - 31/40) - (-17/24 + 27/40) =
7/16 - 31/40 + 17/24 - 27/40 =
(7/16 + 17/24) + (-31/40 - 27/40) =
(21/48 + 34/48) + (-58/40) =
55/48 - 58/40 = 275/240 - 348/240 = -73/240