document.write( "Question 1046622: I am stuck on Guass's Approach with odd numbers. The problem is 1+3+5+7+...+999. I've looks for examples everywhere. I hope you can help!
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Algebra.Com's Answer #662057 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "I am stuck on Gauss's Approach with odd numbers. The problem is 1+3+5+7+...+999. I've looks for examples everywhere. I hope you can help!
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\n" ); document.write( "\n" ); document.write( "See the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Arithmetic progressions\r
\n" ); document.write( "\n" ); document.write( "    - The proofs of the formulas for arithmetic progressions \r
\n" ); document.write( "\n" ); document.write( "    - Problems on arithmetic progressions \r
\n" ); document.write( "\n" ); document.write( "    - Mathematical induction and arithmetic progressions\r
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