"howmanyways..."average/evproblemam gmhm qmdraw atleast 3imaginarylinesburnside'slemmanot strictlyneeded"Alice andBob playa game"incorrectproblemspoiler: ittelescopes(fatexpression)^2>= 0self-similarexpression"find largestintegersatisfying..."jumpingoncoordinateplaneoff by factorof twobecausesilliestrivial bymodulararithmeticoff by onebecauseedge casecards/dice/chesscopypastedproblemone lineAOPSsolutioncomplexnumbers isactually geoproblemproblemdifficultyout ofordereulertotientfunctionvieta'sanswerlessthan 10probabilityisgeometrylifting theexponent"triangleABC""findf(0)" or"f(1)"3Dtangentspherecalculusbaitnew randomsymbol inproblemstatementlogbasevariableAlgebra orGeo problemis secretly aComboproblemtrivial bysemi-obscureidentityhockeystick"coordbashable"maximize/minimizealgebraicexpressionbashto winat leasttwocirclescauchyschwarzrootsof unityuglyexactformrandom trigwhen itstotallyunnecessary"howmanyways..."average/evproblemam gmhm qmdraw atleast 3imaginarylinesburnside'slemmanot strictlyneeded"Alice andBob playa game"incorrectproblemspoiler: ittelescopes(fatexpression)^2>= 0self-similarexpression"find largestintegersatisfying..."jumpingoncoordinateplaneoff by factorof twobecausesilliestrivial bymodulararithmeticoff by onebecauseedge casecards/dice/chesscopypastedproblemone lineAOPSsolutioncomplexnumbers isactually geoproblemproblemdifficultyout ofordereulertotientfunctionvieta'sanswerlessthan 10probabilityisgeometrylifting theexponent"triangleABC""findf(0)" or"f(1)"3Dtangentspherecalculusbaitnew randomsymbol inproblemstatementlogbasevariableAlgebra orGeo problemis secretly aComboproblemtrivial bysemi-obscureidentityhockeystick"coordbashable"maximize/minimizealgebraicexpressionbashto winat leasttwocirclescauchyschwarzrootsof unityuglyexactformrandom trigwhen itstotallyunnecessary

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