57 lines
1.2 KiB
Plaintext
57 lines
1.2 KiB
Plaintext
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
|
|
<mrow>
|
|
<mfrac>
|
|
<msub>
|
|
<mi>a</mi>
|
|
<mn>1</mn>
|
|
</msub>
|
|
<mrow>
|
|
<msub>
|
|
<mi>b</mi>
|
|
<mn>1</mn>
|
|
</msub>
|
|
<mo>+</mo>
|
|
<mfrac>
|
|
<msub>
|
|
<mi>a</mi>
|
|
<mn>2</mn>
|
|
</msub>
|
|
<mrow>
|
|
<msub>
|
|
<mi>b</mi>
|
|
<mn>2</mn>
|
|
</msub>
|
|
<mo>+</mo>
|
|
<mfrac>
|
|
<msub>
|
|
<mi>a</mi>
|
|
<mn>3</mn>
|
|
</msub>
|
|
<mrow>
|
|
<msub>
|
|
<mi>b</mi>
|
|
<mn>3</mn>
|
|
</msub>
|
|
<mo>+</mo>
|
|
<mfrac>
|
|
<msub>
|
|
<mi>a</mi>
|
|
<mn>4</mn>
|
|
</msub>
|
|
<msub>
|
|
<mi>b</mi>
|
|
<mn>4</mn>
|
|
</msub>
|
|
</mfrac>
|
|
<mo>+</mo>
|
|
<mo>…</mo>
|
|
</mrow>
|
|
</mfrac>
|
|
</mrow>
|
|
</mfrac>
|
|
</mrow>
|
|
</mfrac>
|
|
</mrow>
|
|
</math>
|
|
|