Peaches, apricots and medlars: combination exercise
116913
Whats the difference between the following? $n+k-1 \choose k$ ${{n+k-1}\choose{k-1}}$ ${{n+k-1}\choose{n}}$
79573
linear combination and univariate normal
87636
A Product function for matrix products
115833
$m \times n$ persons stand in $m$ rows and $n$ columns
33851
Generalizing a sequence.
24152
Design of Experiments for Baking
36805
Simple chessboard exercise
141101
Russia (2000) contest:Prove the existence of a pair of rows and columns with intersections differently coloured
76814
Convergence of tetration sequence.
111057
On the position of multiple sub and superindices
107720
Resampling / simulation methods: monte carlo, bootstrapping, jackknifing, cross-validation, randomization tests, and permutation tests
128051
Calculating possible option of switching pairs in group
37503
chess path combination
44620
Reference for combinatorial game theory.
36371
Exercise on convex functions
54521
Making all row sums and column sums non-negative by a sequence of moves
46216
Breaking chocolate bars game