Question

пжжжжж срочнооооо
$( \frac{7}{16} - \frac{31}{40} ) - ( - \frac{17}{24} + \frac{27}{40}$
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Answer 1

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