document.write( "Question 1157063: What is the sum of the arithmetic series below?
\n" ); document.write( "-100+-95+-90+-85+...+-5+0+5+...+85+90+95+100 \n" ); document.write( "
Algebra.Com's Answer #779856 by ikleyn(52788)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "ZERO.\r
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\n" ); document.write( "\n" ); document.write( "Find all the similar opposite terms, that cancel each other.\r
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\n" ); document.write( "\n" ); document.write( "Ha-ha-ha.             //   It is  WELL-KNOWN joke problem . . . \r
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\n" ); document.write( "\n" ); document.write( "Do not calculate any sums; otherwise, people will laugh on you.\r
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