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Jul
25
revised What is $k$ so that $\frac {1001\times 1002 \times … \times 2008} {11^k}$ will be an integer?
added 30 characters in body
Jul
24
revised Number of possible unions of a countable number of sets
added 285 characters in body
Jul
23
revised Olympiad inequality
added 8 characters in body
Jul
22
revised Frog jumping on leaves
added 5 characters in body
Jul
22
revised Frog jumping on leaves
added 746 characters in body
Jul
22
revised Size of a maximum matching of a complete multipartite graph?
added 422 characters in body
Jul
21
revised Continuous and bounded imply uniform continuity?
deleted 1 character in body
Jul
21
revised Given that $p$ is an odd prime, is the GCD of any two numbers of the form $2^p + 1$ always equal to $3$?
edited title
Jul
21
revised Continuous and bounded imply uniform continuity?
added 2 characters in body
Jul
21
revised Continuous and bounded imply uniform continuity?
added 283 characters in body
Jul
20
revised How many ways are there to shake hands?
added 91 characters in body
Jul
20
revised How many ways are there to shake hands?
added 91 characters in body
Jul
20
revised How many ways are there to shake hands?
added 91 characters in body
Jul
20
revised Subgroups of $S_n$ with exactly one fixed point for each element all have the same fixed point.
edited title
Jul
19
revised How to replace addition with multiplication to find the next integer value?
added 6 characters in body; edited tags
Jul
19
revised Ten chairs arranged in a circle
added 78 characters in body
Jul
19
revised Ten chairs arranged in a circle
added 9 characters in body
Jul
18
revised Subgroups of $S_n$ with exactly one fixed point for each element all have the same fixed point.
added 12 characters in body; edited title
Jul
18
revised Subgroups of $S_n$ with exactly one fixed point for each element all have the same fixed point.
edited body
Jul
18
revised Application of invariant method
added 2 characters in body