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TIMO 2021 Grade 6 Preliminary Set 5 Question 13

TIMO · TIMO 2021 Grade 6 Preliminary Set 5

Question 13

Given that 6▲9=4, 5▲7=9 and 4▲11=3. Compute [6▲(5▲7)]▲11.

Question illustration
  1. 4
  2. 11
  3. 9
  4. 3