<math class="wrs_chemistry" xmlns="http://www.w3.org/1998/Math/MathML"> <mn>11</mn> <mo>.</mo> <mo>(</mo> <msqrt> <mn>27</mn> </msqrt> <mo>-</mo> <mn>3</mn> <msqrt> <mn>2</mn> </msqrt> <mo>+</mo> <mn>2</mn> <msqrt> <mn>6</mn> </msqrt> <mo>)</mo> <mo>:</mo> <mn>3</mn> <msqrt> <mn>3</mn> </msqrt> <mspace linebreak="newline" /> <mo>=</mo> <mn>11</mn> <mo>.</mo> <mo>(</mo> <mn>3</mn> <msqrt> <mn>3</mn> </msqrt> <mo>-</mo> <mn>3</mn> <msqrt> <mn>2</mn> </msqrt> <mo>+</mo> <mn>2</mn> <msqrt> <mn>6</mn> </msqrt> <mo>)</mo> <mo>:</mo> <mn>3</mn> <msqrt> <mn>3</mn> </msqrt> <mspace linebreak="newline" /> <mo>=</mo> <mn>11</mn> <mo>.</mo> <mo>(</mo> <mn>1</mn> <mo>-</mo> <mfrac> <msqrt> <mn>2</mn> </msqrt> <msqrt> <mn>3</mn> </msqrt> </mfrac> <mo>+</mo> <mfrac> <mrow> <mn>2</mn> <msqrt> <mn>2</mn> </msqrt> </mrow> <msqrt> <mn>3</mn> </msqrt> </mfrac> <mo>)</mo> <mspace linebreak="newline" /> <mo>=</mo> <mn>11</mn> <mo>.</mo> <mo>(</mo> <mn>1</mn> <mo>+</mo> <mfrac> <mrow> <mo>-</mo> <msqrt> <mn>2</mn> </msqrt> <mo>+</mo> <mn>2</mn> <msqrt> <mn>2</mn> </msqrt> </mrow> <msqrt> <mn>3</mn> </msqrt> </mfrac> <mo>)</mo> <mspace linebreak="newline" /> <mo>=</mo> <mn>11</mn> <mo>.</mo> <mo>(</mo> <mn>1</mn> <mo>+</mo> <mfrac> <msqrt> <mn>2</mn> </msqrt> <msqrt> <mn>3</mn> </msqrt> </mfrac> <mo>)</mo> <mspace linebreak="newline" /> <mo>=</mo> <mn>11</mn> <mo>+</mo> <mn>11</mn> <mfrac> <msqrt> <mn>2</mn> </msqrt> <msqrt> <mn>3</mn> </msqrt> </mfrac> </math>