$\sqrt{[(1, \overline{1}-1,0 \overline{1}) \times 1, \overline{6}]:\left[\left(\frac{7}{9}-0,0 \overline{7}\right): 8,4\right]+\left[\left(\frac{1}{4}-0,0 \overline{3}\right): 0,65\right]:\left[\left(0, \overline{8}-\frac{5}{6}\right): 0, \overline{3}\right]}$
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