MathDB

1

Part of 2011 May Olympiad

Problems(2)

sum of digits x inequaility May Olympiad (Olimpiada de Mayo) 2011 L2 P1

Source:

9/28/2021
Find a positive integer xx such that the sum of the digits of xx is greater than 20112011 times the sum of the digits of the number 3x3x (33 times xx).
number theorysum of digits
encrypted message May Olympiad (Olimpiada de Mayo) 2011 L1 P1

Source:

9/28/2021
The 44 code words □∗⊗    ⊕⊳∙    ∗□∙    ⊗⊘⊕\square * \otimes \,\,\,\, \oplus \rhd \bullet \,\,\,\, * \square \bullet \,\,\,\, \otimes \oslash \oplus they are in some order AMO    SUR    REO    MASAMO \,\,\,\, SUR \,\,\,\, REO \,\,\,\, MAS Decrypt ⊗⊘□∗⊕⊳□∙⊗\otimes \oslash \square * \oplus \rhd \square \bullet \otimes
combinatorics