document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208362>Question 1208362</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The math subtraction problem.\r<BR>\n" );
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document.write( "  210,290<BR>\n" );
document.write( " - 45,720\r<BR>\n" );
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document.write( "= 164,570 (I need to know why did the zero next to the 1<BR>\n" );
document.write( "           was changed to the number 9 in order to subtract<BR>\n" );
document.write( "           the number 5).\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #846742 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52791)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=846742\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "For this technique, see these sources and learn from them\r<BR>\n" );
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document.write( "video lesson (Youtube)<BR>\n" );
document.write( "https://www.youtube.com/watch?v=1GazztzsIuY\r<BR>\n" );
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document.write( "textual lesson<BR>\n" );
document.write( "https://www.houseofmath.com/encyclopedia/numbers-and-quantities/arithmetic/addition-and-subtraction/how-to-subtract-using-the-column-method\r<BR>\n" );
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document.write( "<U>Comment from student</U>: Thank you for instructing me to click on Youtube to learn about how to explain the subtraction problem. I truly appreciate you.\r<BR>\n" );
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document.write( "<U>My response</U>: It is a strange and unnatural form to express your gratitude. I would even say - a miserable form.\r<BR>\n" );
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document.write( "I did not instruct you to click on Youtube.\r<BR>\n" );
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document.write( "I simply found appropriate and easy accessible sources for you in the internet, and if you want to say \"Thanks\", <BR>\n" );
document.write( "say it exactly in this form: \"Thank you for finding/pointing appropriate sources for me to learn the subject from\".\r<BR>\n" );
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document.write( "In the form as you write your comment, it is, probably, a form to troll  - not a form to gratitude.\r<BR>\n" );
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