<<< native
[ ESymbol Op "\8747"
, EIdentifier "x"
, ESymbol Rel "="
, ESymbol Op "\8747"
, EIdentifier "x"
, ESymbol Rel "="
, ESymbol Op "\8747"
, EIdentifier "x"
, ESymbol Rel "="
, EGrouped
    [ ESymbol Op "\8747"
    , EIdentifier "x"
    , ESymbol Rel "="
    , ESymbol Op "\8747"
    , EIdentifier "x"
    , ESymbol Rel "="
    , ESymbol Op "\8747"
    , EIdentifier "x"
    ]
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>∫</m:t>
    </m:r>
    <m:r>
      <m:t>x</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>=</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>∫</m:t>
    </m:r>
    <m:r>
      <m:t>x</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>=</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>∫</m:t>
    </m:r>
    <m:r>
      <m:t>x</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>=</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>∫</m:t>
    </m:r>
    <m:r>
      <m:t>x</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>=</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>∫</m:t>
    </m:r>
    <m:r>
      <m:t>x</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>=</m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>∫</m:t>
    </m:r>
    <m:r>
      <m:t>x</m:t>
    </m:r>
  </m:oMath>
</m:oMathPara>