Evaluate
-\frac{\sqrt{6}}{3}+\frac{9}{11}\approx 0.001685237
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\frac{23+4-\frac{66}{\sqrt{6}}}{33}
Calculate 2 to the power of 2 and get 4.
\frac{27-\frac{66}{\sqrt{6}}}{33}
Add 23 and 4 to get 27.
\frac{27-\frac{66\sqrt{6}}{\left(\sqrt{6}\right)^{2}}}{33}
Rationalize the denominator of \frac{66}{\sqrt{6}} by multiplying numerator and denominator by \sqrt{6}.
\frac{27-\frac{66\sqrt{6}}{6}}{33}
The square of \sqrt{6} is 6.
\frac{27-11\sqrt{6}}{33}
Divide 66\sqrt{6} by 6 to get 11\sqrt{6}.
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