document.write( "Question 826123: Calculation of the following:\r
\n" ); document.write( "\n" ); document.write( "1+2+3+4....+97+98+99+100\r
\n" ); document.write( "\n" ); document.write( "I tried an arithmetic sequence a=1(100-1)1 but it wont work.
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Algebra.Com's Answer #497864 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
100+50 +
\n" ); document.write( "1+99+2+98
\n" ); document.write( "4900+150=5050
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