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Comments in green were written by me. Comments in blue were not written by me.

2024-12-19

Matt, great card this year! Problems 1 and 2 are slightly ambiguous though in that you did not specify that each digit could only be used once.

I initially thought the answers were simply 44×44 = 1936 and 99×99999999 = 9899999901, respectively ????

Dan Whitman
on /blog/112

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