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15
Math.TechQA.Club
2026-03-26 04:53:43
108
Views
What is the meaning of $(x^2+y^2)^n$? Is this an already known geometric object?
Published on
26 Mar 2026 - 4:53
#geometry
#recreational-mathematics
#contest-math
#circles
#research
6.2k
Views
The 100 Coins Puzzle
Published on
15 Apr 2026 - 8:39
#discrete-mathematics
#recreational-mathematics
#puzzle
755
Views
Find all bijections $\,\,f:[0,1]\rightarrow[0,1],\,$ which satisfy $\,\,f\big(2x-f(x)\big)=x$.
Published on
17 Apr 2026 - 1:28
#calculus
#recreational-mathematics
#contest-math
#functional-equations
#recursion
290
Views
how many ways to go from place a to place b through 9 squares
Published on
14 Apr 2026 - 13:12
#combinatorics
#recreational-mathematics
394
Views
number of ways to fill a 2D grid
Published on
16 Apr 2026 - 5:14
#combinatorics
#matrices
#algorithms
#recurrence-relations
#recreational-mathematics
279
Views
Jed does pushups every week day. On Monday he does 7. He doubles his average every day he works out. How many push ups does he do next Monday?
Published on
16 Apr 2026 - 2:52
#recreational-mathematics
2.9k
Views
Math Riddles #10 - Car Meter Riddle
Published on
13 Apr 2026 - 14:10
#recreational-mathematics
#education
#puzzle
110
Views
Equality of nested radicals with different operations
Published on
08 Apr 2026 - 17:31
#recreational-mathematics
#self-learning
#nested-radicals
254
Views
Is it possible to have numbers that are to Hyperreal numbers what Hyperreals are to Reals numbers?
Published on
08 Apr 2026 - 18:41
#recreational-mathematics
#number-systems
#nonstandard-analysis
2.2k
Views
Megaminx parity
Published on
14 Apr 2026 - 7:21
#group-theory
#algorithms
#recreational-mathematics
443
Views
A question about indeterminate forms
Published on
12 Apr 2026 - 11:40
#calculus
#recreational-mathematics
#number-systems
352
Views
Limits of infinite processes that terminate in finite time - checking my understanding?
Published on
09 Apr 2026 - 4:24
#sequences-and-series
#recreational-mathematics
#puzzle
#infinity
157
Views
Next term in the sequence $1, 3, 33, 55, 565, 6567, 8767, ...$?
Published on
17 Apr 2026 - 4:21
#sequences-and-series
#recreational-mathematics
9.5k
Views
How many triangle can be drawn with those points?
Published on
11 Apr 2026 - 13:54
#combinatorics
#geometry
#recreational-mathematics
#puzzle
133
Views
Can you incentivise competitors to handicap accurately, and also try to win?
Published on
15 Apr 2026 - 12:15
#recreational-mathematics
#game-theory
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