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File:	Topics/BiDi/RTL/subtraction-rtl1
CVS-ID:
Author:	Abdelshafi Bekhit, school-book of elementary school for mathematics, Ministry of Education in Saudi Arabia.
Description:	In page 45 is a simple example of subtraction 3235 - 1714 = 1521, is shown in RTL direction and represented in Arabic. See also Online Curricula.
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Source Code:

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block" dir="rtl">
<mstack charspacing="loose">
  <mscarries position="2" crossout="updiagonalstrike">
    <mn>٢</mn>
    <mn>١٢</mn>
  </mscarries>
  <mn>٣٢٣٥</mn>
  <msrow> <mn> ١٧١٤</mn> <mo>-</mo> </msrow>
  <msline/>
  <mn>١٥٢١</mn>
</mstack>

</math>