Question 714862
<pre>

{{{(4+sqrt(27))/(2-3sqrt(27))}}} 

{{{(4+sqrt(9*3))/(2-3sqrt(9*3))}}} 

{{{(4+3sqrt(3))/(2-3*3sqrt(3))}}} 

{{{(4+3sqrt(3))/(2-9sqrt(3))}}} 

{{{(4+3sqrt(3))/(2-9sqrt(3))}}}{{{""*""}}}{{{(2+9sqrt(3))/(2+9sqrt(3))}}}

{{{((4+3sqrt(3))*(2+9sqrt(3)))/(   (2-9sqrt(3))*(2+9sqrt(3)))}}}

{{{(8+36sqrt(3)+6sqrt(3)+27*3)/(4-81*3)}}}

{{{(8+42sqrt(3)+81)/(4-241)}}}

{{{(89+42sqrt(3))/(-239)}}}

{{{-(89+42sqrt(3))/239}}}

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75 - 4&#8730;<span style="text-decoration: overline">18</span> + 2&#8730;<span style="text-decoration: overline">32</span>

75 - 4&#8730;<span style="text-decoration: overline">9·2</span> + 2&#8730;<span style="text-decoration: overline">16·2</span>

75 - 4·3&#8730;<span style="text-decoration: overline">2</span> + 2·4&#8730;<span style="text-decoration: overline">2</span>

75 - 12&#8730;<span style="text-decoration: overline">2</span> + 8&#8730;<span style="text-decoration: overline">2</span>

75 - 4&#8730;<span style="text-decoration: overline">2</span>

Edwin</pre>