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15
Math.TechQA.Club
2026-04-11 10:50:05
1.2k
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Books with fun exercises
Published on
11 Apr 2026 - 10:50
#reference-request
#self-learning
#recreational-mathematics
#book-recommendation
619
Views
Erased number?
Published on
16 Apr 2026 - 12:48
#recreational-mathematics
#average
3.1k
Views
Are there infinitely many "super-palindromes"?
Published on
11 Apr 2026 - 12:54
#recreational-mathematics
#palindrome
160
Views
List number of moves to defeat the opponent
Published on
15 Apr 2026 - 7:08
#combinatorics
#algorithms
#graph-theory
#computer-science
#recreational-mathematics
3.4k
Views
Convergence of $x_n = \cos (x_{n-1})$
Published on
15 Apr 2026 - 14:10
#calculus
#real-analysis
#sequences-and-series
#recreational-mathematics
1.5k
Views
Equal scores in a round-robin tournament implies wins=losses?
Published on
12 Apr 2026 - 12:30
#combinatorics
#recreational-mathematics
174
Views
Navigating a Field of Sprinklers
Published on
11 Apr 2026 - 4:51
#calculus
#recreational-mathematics
327
Views
Puzzle: Representing age using digits from birth-year in order. Impossible cases?
Published on
15 Apr 2026 - 14:25
#arithmetic
#puzzle
#recreational-mathematics
78.3k
Views
How many triangles
Published on
11 Apr 2026 - 19:53
#combinatorics
#puzzle
#recreational-mathematics
866
Views
Cycling Digits puzzle
Published on
11 Apr 2026 - 3:39
#puzzle
#recreational-mathematics
621
Views
Nullarbor Plain puzzle
Published on
11 Apr 2026 - 13:52
#puzzle
#recreational-mathematics
4.1k
Views
using numbers 1 to 9 only once to equal 1 million
Published on
10 Apr 2026 - 11:32
#recreational-mathematics
20.7k
Views
How do you find the center of a circle with a pencil and a book?
Published on
14 Apr 2026 - 0:56
#recreational-mathematics
#circles
#puzzle
6.7k
Views
Can this crate have even numbers in all rows and columns?
Published on
14 Apr 2026 - 3:29
#linear-algebra
#elementary-number-theory
#discrete-mathematics
#recreational-mathematics
#problem-solving
22.2k
Views
"The Egg:" Bizarre behavior of the roots of a family of polynomials.
Published on
13 Apr 2026 - 5:59
#abstract-algebra
#complex-analysis
#algebraic-geometry
#numerical-methods
#recreational-mathematics
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