query: Maybe hard than IMO 2015 problem 2
positive_passages.docid: 24499
positive_passages.text: Finding $(a, b, c)$ with $ab-c$, $bc-a$, and $ca-b$ being powers of $2$
negative_passages.docid: 49366
negative_passages.text: Group of order 30 can't be simple
negative_passages.docid: 116153
negative_passages.text: The Notorious Triangle Problem
negative_passages.docid: 377
negative_passages.text: Problem involving many squares and several variables.
negative_passages.docid: 105781
negative_passages.text: Least squares problem with constraint on the unit sphere
negative_passages.docid: 133935
negative_passages.text: Challenges with Key with Gaps?
negative_passages.docid: 111703
negative_passages.text: If $H \leq G$ and $[G:H]! \leq |G|$ then $G$ is not simple
negative_passages.docid: 38037
negative_passages.text: A problem with my reasoning in a problem about combinations
negative_passages.docid: 114256
negative_passages.text: More Generating Functions problems
negative_passages.docid: 60647
negative_passages.text: Consecutive days problem #97?
negative_passages.docid: 36478
negative_passages.text: How can I solve this problem without having to do it by hand?
negative_passages.docid: 155285
negative_passages.text: difficulty of accepting $i^2 = -1$ for first timers
negative_passages.docid: 20287
negative_passages.text: Convergence Problem.
negative_passages.docid: 86067
negative_passages.text: A Variation of the even-town odd-town problem
negative_passages.docid: 154700
negative_passages.text: Stuck in logic exercise
negative_passages.docid: 95533
negative_passages.text: I need some help with a GCD and LCM's Problem
negative_passages.docid: 58171
negative_passages.text: Two problems about Squarefree numbers