Skip to content / Đến nội dung
ThichHocToan.com

TIMO 2021 Grade 4 Preliminary Set 1 Question 13

TIMO · TIMO 2021 Grade 4 Preliminary Set 1

Question 13

Define the operation symbol a⊕b=(a−b)×(a+b). Find the value of 243⊕143.

Question illustration
  1. 38600
  2. 386
  3. 486
  4. 48600