document.write( "Question 999837: Qus-51+52+53..,.,.+100=? \n" ); document.write( "
Algebra.Com's Answer #617373 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "First number plus the last number times the number of numbers divided by 2.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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