How to find the answer of this puzzle: $17 \times 4 = 68 + 25 = 93$?
831
Is it possible for this puzzle to be solved without the use of computational software?
36757
I can't determine the maximum natural number which is unable to be represented as $17\times x+23\times y$
83910
Integer part of $\sqrt[3]{24+\sqrt[3]{24+\sqrt[3]{24+\cdots}}}$
106445
Dr Math and his family question. How to solve without trial and error?
48108
(Probability) How many integer solutions are there to the inequality $x_1 + x_2 + x_3 \le 17$
73504
Why $(a+d)(b+c)$ equals $-16$?
148461
If $S=\frac{1}{1+1^2+1^4}+\frac{2}{1+2^2+2^4}+\cdots+\frac{n}{1+n^2+n^4}$, then calculate $14S$.
157717
What is a mathematical solution to this problem? (Project Euler #106)
107848
Finding the remainder of $\overbrace{11\ldots1}^{123 \text{ times}}$ divided by $271$
115719
Find the possible values of |A + B + C |
110460
find remainder of a number
82639
What is the remainder when $40!$ is divided by $1763$?
17051
Determine the fourth roots of -16
78163
Hint for problem on $4 \times 7$-chessboard problem related to pigeonhole principle
70492
What is the shortest way to compute the last 3 digits of $17^{256}$?
115282
Showing that $\mathbb Q(\sqrt{17})$ has class number 1
12471
Is it possible to solve the Zebra Puzzle/Einstein's Riddle using pure math?