data/pom/69.xml
<?xml version="1.0" ?>
<math type="pom-exported">
<expression prime-tag="sequence">
<term prime-tag="latex-command">\eta</term>
<term prime-tag="equals">=</term>
<expression prime-tag="fraction">
<expression prime-tag="sequence" secondary-tags="numerator">
<term prime-tag="letter" secondary-tags="Latin">Q</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="digit" secondary-tags="numeric">1</term>
</expression>
<term prime-tag="minus">-</term>
<term prime-tag="letter" secondary-tags="Latin">Q</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="digit" secondary-tags="numeric">2</term>
</expression>
</expression>
<expression prime-tag="sequence" secondary-tags="denominator">
<term prime-tag="letter" secondary-tags="Latin">Q</term>
<expression prime-tag="underscore" secondary-tags="subscript_operation">
<term prime-tag="digit" secondary-tags="numeric">1</term>
</expression>
</expression>
</expression>
</expression>
</math>