The student noticed that if he writes a multiplication sign between the second and third digit of number 2020 the produc
Posted: Thu Jun 30, 2022 7:34 pm
The student noticed that if he writes a multiplication sign between the second and third digit of number 2020 the product 20-20 gives a perfect square. How many numbers between 2010 and 2099 (without 2020) have the same property?