document.write( "Question 582828: find the difference between the sum of the first 500 even numbers and the sum of the first 500 odd numbers \n" ); document.write( "
Algebra.Com's Answer #372238 by richard1234(7193)\"\" \"About 
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500 *positive* even/odd numbers. This is equal to\r
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\n" ); document.write( "\n" ); document.write( "(2+4+6+...+500) - (1+3+5+...+499)\r
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\n" ); document.write( "\n" ); document.write( "= 1+1+1+...+1\r
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\n" ); document.write( "\n" ); document.write( "= 500
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