trivial bysemi-obscureidentityrandom trigwhen itstotallyunnecessary(fatexpression)^2>= 0lifting theexponentspoiler: ittelescopescomplexnumbers isactually geoproblem"findf(0)" or"f(1)"draw atleast 3imaginarylines3Dtangentsphereprobabilityisgeometryoff by factorof twobecausesillies"howmanyways..."cauchyschwarzburnside'slemmanot strictlyneededanswerlessthan 10jumpingoncoordinateplanehockeystickone lineAOPSsolutionoff by onebecauseedge caserootsof unityincorrectproblemvieta'snew randomsymbol inproblemstatementAlgebra orGeo problemis secretly aComboproblemcards/dice/chessmaximize/minimizealgebraicexpressionaverage/evproblemuglyexactformproblemdifficultyout oforder"Alice andBob playa game"at leasttwocircleslogbasevariablecopypastedproblemself-similarexpression"coordbashable"calculusbait"triangleABC"trivial bymodulararithmeticeulertotientfunctionbashto winam gmhm qm"find largestintegersatisfying..."trivial bysemi-obscureidentityrandom trigwhen itstotallyunnecessary(fatexpression)^2>= 0lifting theexponentspoiler: ittelescopescomplexnumbers isactually geoproblem"findf(0)" or"f(1)"draw atleast 3imaginarylines3Dtangentsphereprobabilityisgeometryoff by factorof twobecausesillies"howmanyways..."cauchyschwarzburnside'slemmanot strictlyneededanswerlessthan 10jumpingoncoordinateplanehockeystickone lineAOPSsolutionoff by onebecauseedge caserootsof unityincorrectproblemvieta'snew randomsymbol inproblemstatementAlgebra orGeo problemis secretly aComboproblemcards/dice/chessmaximize/minimizealgebraicexpressionaverage/evproblemuglyexactformproblemdifficultyout oforder"Alice andBob playa game"at leasttwocircleslogbasevariablecopypastedproblemself-similarexpression"coordbashable"calculusbait"triangleABC"trivial bymodulararithmeticeulertotientfunctionbashto winam gmhm qm"find largestintegersatisfying..."

Contest Problem - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. trivial by semi-obscure identity
  2. random trig when its totally unnecessary
  3. (fat expression)^2 >= 0
  4. lifting the exponent
  5. spoiler: it telescopes
  6. complex numbers is actually geo problem
  7. "find f(0)" or "f(1)"
  8. draw at least 3 imaginary lines
  9. 3D tangent sphere
  10. probability is geometry
  11. off by factor of two because sillies
  12. "how many ways..."
  13. cauchy schwarz
  14. burnside's lemma not strictly needed
  15. answer less than 10
  16. jumping on coordinate plane
  17. hockey stick
  18. one line AOPS solution
  19. off by one because edge case
  20. roots of unity
  21. incorrect problem
  22. vieta's
  23. new random symbol in problem statement
  24. Algebra or Geo problem is secretly a Combo problem
  25. cards/dice/chess
  26. maximize/minimize algebraic expression
  27. average/ev problem
  28. ugly exact form
  29. problem difficulty out of order
  30. "Alice and Bob play a game"
  31. at least two circles
  32. log base variable
  33. copy pasted problem
  34. self-similar expression
  35. "coord bashable"
  36. calculus bait
  37. "triangle ABC"
  38. trivial by modular arithmetic
  39. euler totient function
  40. bash to win
  41. am gm hm qm
  42. "find largest integer satisfying..."