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TIMO 2021 Grade 6 Preliminary Set 4 Question 7

TIMO · TIMO 2021 Grade 6 Preliminary Set 4

Question 7

Find 1/(1×2×3)+1/(2×3×4)+...+1/(7×8×9)+1/(8×9×10).

Question illustration
  1. 9/20
  2. 22/45
  3. 11/45
  4. 9/10