document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1157063>Question 1157063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the sum of the arithmetic series below?<BR>\n" );
document.write( "-100+-95+-90+-85+...+-5+0+5+...+85+90+95+100 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #779855 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=779855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Isn't it obvious?<br><BR>\n" );
document.write( "All the terms cancel; the sum is 0.<br><BR>\n" );
document.write( "-100+100 = 0<BR>\n" );
document.write( "-95+95 = 0<BR>\n" );
document.write( "...<BR>\n" );
document.write( "-5+5 = -<BR>\n" );
document.write( "0 = 0<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "-100-95-...-5+0+5+...+95+100 = 0<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );