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1990 AJHSME Problems/Problem 16: Revision history

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1 June 2020

11 July 2009

  • curprev 20:1320:13, 11 July 2009 5849206328x talk contribs 663 bytes +663 Created page with '==Problem== <math>1990-1980+1970-1960+\cdots -20+10 =</math> <math>\text{(A)}\ -990 \qquad \text{(B)}\ -10 \qquad \text{(C)}\ 990 \qquad \text{(D)}\ 1000 \qquad \text{(E)}\ 199…'
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