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Xmas Contest 2023 アンケート
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よかった問題はどれですか？
A: Art Irrationnel
B: Beautiful Rotation
C: Clamp Clamp Clamp
D: Distance Construction
E: Exponent of PI
F: Failed Failure Link
G: Group Structure
H: How to Pose Such a Problem
A 問題 Art Irrationnel の 3 択クイズの第一感はどれでしたか？
k = 2
k = 3
k = 4
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