<<< native
[ EArray
    [ AlignLeft , AlignLeft , AlignLeft ]
    [ [ [ ENumber "1" ]
      , [ EGrouped
            [ EIdentifier "x" , ESymbol Bin "+" , EIdentifier "y" ]
        ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "2")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "2"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "2")
            ]
        ]
      ]
    , [ [ EGrouped
            [ EIdentifier "x" , ESymbol Bin "+" , EIdentifier "y" ]
        ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "2")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "2"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "2")
            ]
        ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "3")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "3"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "2")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "3"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "2")
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "3")
            ]
        ]
      ]
    , [ [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "2")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "2"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "2")
            ]
        ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "3")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "3"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "2")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "3"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "2")
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "3")
            ]
        ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "4")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "4"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "3")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "6"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "2")
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "2")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "4"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "3")
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "4")
            ]
        ]
      ]
    , [ [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "3")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "3"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "2")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "3"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "2")
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "3")
            ]
        ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "4")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "4"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "3")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "6"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "2")
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "2")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "4"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "3")
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "4")
            ]
        ]
      , [ EGrouped
            [ ESuper (EIdentifier "x") (ENumber "5")
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "5"
                , ESymbol Ord "\8290"
                , EIdentifier "y"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "4")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "10"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "2")
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "3")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "10"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "3")
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "x") (ENumber "2")
                ]
            , ESymbol Bin "+"
            , EGrouped
                [ ENumber "5"
                , ESymbol Ord "\8290"
                , ESuper (EIdentifier "y") (ENumber "4")
                , ESymbol Ord "\8290"
                , EIdentifier "x"
                ]
            , ESymbol Bin "+"
            , ESuper (EIdentifier "y") (ENumber "5")
            ]
        ]
      ]
    ]
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:m>
      <m:mPr>
        <m:baseJc m:val="center" />
        <m:plcHide m:val="1" />
        <m:mcs>
          <m:mc>
            <m:mcPr>
              <m:mcJc m:val="left" />
              <m:count m:val="1" />
            </m:mcPr>
          </m:mc>
          <m:mc>
            <m:mcPr>
              <m:mcJc m:val="left" />
              <m:count m:val="1" />
            </m:mcPr>
          </m:mc>
          <m:mc>
            <m:mcPr>
              <m:mcJc m:val="left" />
              <m:count m:val="1" />
            </m:mcPr>
          </m:mc>
        </m:mcs>
      </m:mPr>
      <m:mr>
        <m:e>
          <m:r>
            <m:t>1</m:t>
          </m:r>
        </m:e>
        <m:e>
          <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:t>y</m:t>
          </m:r>
        </m:e>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>2</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
      </m:mr>
      <m:mr>
        <m:e>
          <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:t>y</m:t>
          </m:r>
        </m:e>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>2</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>3</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>3</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
      </m:mr>
      <m:mr>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>2</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>3</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>3</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>4</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>4</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>6</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>4</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>4</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
      </m:mr>
      <m:mr>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>3</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>3</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>4</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>4</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>6</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>4</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>4</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
        <m:e>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>5</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>5</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:r>
            <m:t>y</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>4</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>10</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>10</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>3</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>x</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>2</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>+</m:t>
          </m:r>
          <m:r>
            <m:t>5</m:t>
          </m:r>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</m:t>
          </m:r>
          <m:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>4</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
          <m:r>
            <m:rPr>
              <m:sty m:val="p" />
            </m:rPr>
            <m:t>&#8290;</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:sSup>
            <m:e>
              <m:r>
                <m:t>y</m:t>
              </m:r>
            </m:e>
            <m:sup>
              <m:r>
                <m:t>5</m:t>
              </m:r>
            </m:sup>
          </m:sSup>
        </m:e>
      </m:mr>
    </m:m>
  </m:oMath>
</m:oMathPara>