Question 11
2021 = 2 × 1000 + ⋯× 10 + 1
What is the missing number?
What is the missing number?
AIMO 2021 Primary 3 — Preliminary (Open Trial 1) Question 11
AIMO · AIMO 2021 Primary 3 — Preliminary (Open Trial 1)
AIMO · AIMO 2021 Primary 3 — Preliminary (Open Trial 1)