mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>&#x930;&#x941;</mi><mfrac><mrow><mfenced><mrow><mn>100</mn><mo>+</mo><mi mathvariant="normal">x</mi></mrow></mfenced><mfenced><mrow><mn>100</mn><mo>+</mo><mi mathvariant="normal">y</mi></mrow></mfenced><mfenced><mrow><mn>100</mn><mo>-</mo><mi mathvariant="normal">z</mi></mrow></mfenced></mrow><mn>200</mn></mfrac></math>