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SASMO 2017 Secondary 3 (Grade 9) Contest Question 9

SASMO · SASMO 2017 Secondary 3 (Grade 9) Contest

Question 9

Calculate the value of
12-3? +5? — 72 +92 —...— 19? + 21?

Question illustration
  1. 0
  2. . 121
  3. 241
  4. 362
  5. None of the above