Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2019 — Grade 9 — semifinal Question 12

VTMO · VTMO 2019 — Grade 9 — semifinal

Question 12

A prime date has prime day and month numbers. How many prime dates are there in $2019$?
  1. $53$
  2. $55$
  3. $54$
  4. $60$
  5. $52$