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CEMC Gauss (Grade 8), 2006

Algebra Difficulty 1.0 Junior Find the answer Canada

If $1 + 1.1 + 1.11 + \square = 4.44$ , what number should be put in the box to make the equation true?

(A) $3.33$ (B) $1.23$ (C) $0.12$ (D) $2.13$ (E) $3.21$

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