Multiple Integral Puzzle
9390
$ \int_1^2\int_1^2 \int_1^2 \int_1^2 \frac{x_1+x_2+x_3-x_4}{x_1+x_2+x_3+x_4}dx_1dx_2dx_3dx_4 $
147144
Integral of triangular relation
146015
Computing $\int \sqrt{x\sqrt[3]{x\sqrt[4]{x\sqrt[5]{x\cdots}}}} \,\mathrm{d}x$
75979
3N-dimensional integral
81225
A problem about parametric integral
377
Problem involving many squares and several variables.
27218
How to use stars and bars for solving number of integral solutions to an equality?
125401
Mathematical Induction: Sum of first n odd perfect cubes
152333
A problem based on pigeonhole
131120
Proving an integral equation.
134558
Visual references for the Riemann-Stieltjes integral.
60661
How to solve this combination problem quickly?
93560
Solving a logic puzzle using Prolog
10724
Case of the 'mice problem' for $n=3$
136394
What are path and contour integrals?
107964
Simple combinatorics problem.
17435
Big integral sign