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SEAMO 2027 - Paper C - SET 08 - Self-study Question 23

SEAMO · SEAMO 2027 - Paper C - SET 08 - Self-study

Question 23

Evaluate $1+2-3+4+5-6+7+8-9+\cdots+97+98-99$.
  1. 1584
  2. 1586
  3. 1602
  4. 1604
  5. 1632