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2021 LMT Spring
A6 B12
A6 B12
Part of
2021 LMT Spring
Problems
(1)
2021 LMT Spring Division A Problem 6
Source:
10/22/2021
Given that the expected amount of
1
1
1
s in a randomly selected
2021
2021
2021
-digit number is
m
n
\frac{m}{n}
n
m
ā
, where
m
m
m
and
n
n
n
are relatively prime positive integers, find
m
+
n
m+n
m
+
n
.Proposed by Hannah Shen