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Revision history of "1998 CEMC Pascal Problems/Problem 7"

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  • (cur | prev) 17:16, 22 June 2025‎ Anabel.disher (talk | contribs)‎ . . (767 bytes) (+767)‎ . . (Created page with "==Problem== The value of <math>490 - 491 + 492 - 493 + 494 - 495 + ... - 509 + 510</math> is <math> \text{ (A) }\ 500 \qquad\text{ (B) }\ -10 \qquad\text{ (C) }\ -11 \qquad\t...")
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