Question

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Answer 1

Ответ:

11 9/9 - 7/9 = 11 2/9

Y=15

X=25/26

Пошаговое объяснение:

Answer 2

Ответ:

$12 - \frac{7}{9} = \frac{12}{12} - \frac{7}{9} = 11 + \frac{12*3}{2*2*3*3} - \frac{7*4}{3*3*4} =\frac{36}{36} - \frac{28}{36} = 11\frac{8}{36}$