Skip to content / Đến nội dung
ThichHocToan.com

IMC 2023 Grade 7 — Selection round Question 1

IMC · IMC 2023 Grade 7 — Selection round

Question 1

For real numbers $x,y$, define $x\heartsuit y=xy-3x-3y+12$. Evaluate $A=1\heartsuit(2\heartsuit(3\heartsuit\cdots(2022\heartsuit2023)\cdots))$.
  1. $0$
  2. $3$
  3. $5$
  4. $7$
  5. $9$