trivial bysemi-obscureidentitynew randomsymbol inproblemstatementspoiler: ittelescopescalculusbaiteulertotientfunctionburnside'slemmanot strictlyneededrandom trigwhen itstotallyunnecessary"howmanyways...""coordbashable"copypastedproblemrootsof unityprobabilityisgeometry3Dtangentspherelifting theexponent"triangleABC""find largestintegersatisfying..."problemdifficultyout ofordercauchyschwarzvieta'shockeystickaverage/evproblemself-similarexpressiontrivial bymodulararithmeticone lineAOPSsolutioncomplexnumbers isactually geoproblemanswerlessthan 10logbasevariableuglyexactformmaximize/minimizealgebraicexpression(fatexpression)^2>= 0bashto winat leasttwocircles"findf(0)" or"f(1)"am gmhm qmoff by onebecauseedge casecards/dice/chessAlgebra orGeo problemis secretly aComboproblem"Alice andBob playa game"off by factorof twobecausesilliesdraw atleast 3imaginarylinesjumpingoncoordinateplaneincorrectproblemtrivial bysemi-obscureidentitynew randomsymbol inproblemstatementspoiler: ittelescopescalculusbaiteulertotientfunctionburnside'slemmanot strictlyneededrandom trigwhen itstotallyunnecessary"howmanyways...""coordbashable"copypastedproblemrootsof unityprobabilityisgeometry3Dtangentspherelifting theexponent"triangleABC""find largestintegersatisfying..."problemdifficultyout ofordercauchyschwarzvieta'shockeystickaverage/evproblemself-similarexpressiontrivial bymodulararithmeticone lineAOPSsolutioncomplexnumbers isactually geoproblemanswerlessthan 10logbasevariableuglyexactformmaximize/minimizealgebraicexpression(fatexpression)^2>= 0bashto winat leasttwocircles"findf(0)" or"f(1)"am gmhm qmoff by onebecauseedge casecards/dice/chessAlgebra orGeo problemis secretly aComboproblem"Alice andBob playa game"off by factorof twobecausesilliesdraw atleast 3imaginarylinesjumpingoncoordinateplaneincorrectproblem

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