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modular arithmetic
9
9
1978
The year 1978 is such that the sum of the first two digits and the latter two digits is equal to the middle two digits, i.e. 19 + 78 = 97. What is the next year (after 1978) for which this is true?
Math
algebra
dates
modular arithmetic
Submitted by
Ryan Miller
Doable
6.6
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