Arithmetic, Numbers

08-December-2024 Sunday
12 Divisors in Nastya and Dasha's Lists

06-December-2024 Friday
Conditional magic square with equal remainders

23-November-2024 Saturday
Powers of the number 12 in the center of the intrigue of Nastya and Dasha

13-November-2024 Wednesday
What's unusual about the number 187?

19-August-2024 Monday
Simple, but not stupid: Who is next to whom?

25-January-2022 Tuesday
What number should be in place of the question mark?

12-February-2020 Wednesday
Arithmetic

14-June-2019 Friday
Banking (accounting) rounding of numbers....

07-June-2016 Tuesday
We multiply by 11!

13-June-2015 Saturday
Number designations.

31-March-2015 Tuesday
Money.

28-May-2014 Wednesday
Simple arithmetic :)


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