MathDB
OMK 2010

Source: Malaysia National Olympiad 2010 Muda Category Problem 3

June 4, 2011
number theory unsolvednumber theory

Problem Statement

Let γ=α×β\gamma=\alpha \times \beta where α=999⋯9\alpha=999 \cdots 9 (2010 '9') and β=444⋯4\beta=444 \cdots 4 (2010 '4') Find the sum of digits of γ\gamma.
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