Finding the Remainder for (HKIMO, TIMO, BBB, PIMSO, SEAMO, SIMSO)

Random Math Olympiad Question - Finding the Remainder (HKIMO, TIMO, BBB, PIMSO, SEAMO, SIMSO, PhIMO)
The Hobbiters on Extra Challenge: Math Goes Beyond
#remainder
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[@lilac624]

Thanks for sharing this.