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15
Math.TechQA.Club
2026-04-13 00:15:50
356
Views
Place a nonzero digit in each space so that the equation is true.
Published on
13 Apr 2026 - 0:15
#recreational-mathematics
134
Views
Integration of $\int_0^\frac{\pi}{4} (\sin^6 2x+\cos^6 2x) \cdot\ln (1+\tan x) dx$
Published on
26 Apr 2026 - 9:32
#integration
#contest-math
#recreational-mathematics
#problem-solving
573
Views
Group of 9 people, with(out) 3 people who all know each other
Published on
13 Apr 2026 - 13:42
#graph-theory
#solution-verification
#contest-math
#recreational-mathematics
54
Views
Formula to maintain distance along the x-axis between an outer object and an inner object while scaling
Published on
14 Apr 2026 - 4:51
#geometry
#algebra-precalculus
#recreational-mathematics
#education
155
Views
How is the diagonal constraint in lattice path needed for the Catalan proofs?
Published on
13 Apr 2026 - 12:37
#combinatorics
#combinations
#binomial-coefficients
#recreational-mathematics
#catalan-numbers
41
Views
How to draw the function $y'(x) = y(x)(y(x)-1)^{1/3}$ qualitatively?
Published on
15 Apr 2026 - 22:11
#ordinary-differential-equations
#graphing-functions
#recreational-mathematics
#cauchy-problem
1.4k
Views
Does Fermat's Last Theorem imply $\sqrt{2} \not \in \mathbb{Q}$?
Published on
15 Apr 2026 - 5:44
#number-theory
#elementary-number-theory
#recreational-mathematics
42
Views
How to invert $ \binom{9}{x} \binom{x}{\lfloor \frac{x}{2} \rfloor} = \sum_{k=0}^{3} f(x,k) \: 2^k $ in relation to Tic-Tac-Toe?
Published on
13 Apr 2026 - 22:58
#combinatorics
#recreational-mathematics
533
Views
At any given point in time two players have finished the same number of games
Published on
15 Apr 2026 - 23:27
#combinatorics
#recreational-mathematics
#pigeonhole-principle
39
Views
Calculating damage per second that can stack and have stack limit, with variety of durations
Published on
10 Apr 2026 - 21:53
#arithmetic
#recreational-mathematics
#puzzle
139
Views
Doubt about Gardner' solution to bug chase problem
Published on
09 Apr 2026 - 6:46
#geometry
#recreational-mathematics
3.2k
Views
When is the best date to switch from civilian to military factory production in Hearts of Iron IV?
Published on
10 Apr 2026 - 17:04
#recreational-mathematics
52
Views
What is the probability that I live in 2 different houses with the same door number at different points in my life?
Published on
15 Apr 2026 - 9:58
#probability
#contest-math
#recreational-mathematics
147
Views
Which objects can be Minkowski halved?
Published on
11 Apr 2026 - 6:09
#geometry
#euclidean-geometry
#recreational-mathematics
#polygons
#fractals
105
Views
$\frac{2(1+4a^2)}{(12x-1)^3}\leqslant \frac{(1-a)^4}{[12x-(1-a)^2]^3}+\frac{(1+a)^4}{[12x-(1+a)^2]^3}$ for $0\leq a<\frac13$ and $x>\frac{(1+a)^2}8$
Published on
16 Apr 2026 - 22:59
#real-analysis
#inequality
#recreational-mathematics
#computational-mathematics
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