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Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 8
2009 AMC 8
24
24
Part of
2009 AMC 8
Problems
(1)
Addition and Subtraction
Source:
12/1/2009
The letters
A
A
A
,
B
B
B
,
C
C
C
and
D
D
D
represent digits. If \begin{tabular}{ccc} &A&B \\ \plus{}&C&A \\ \hline &D&A \end{tabular} and \begin{tabular}{ccc} &A&B \\ \minus{}&C&A \\ \hline &&A \end{tabular}, what digit does
D
D
D
represent?
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A
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5
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B
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6
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C
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7
<
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D
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8
<
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(
E
)
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9
<span class='latex-bold'>(A)</span>\ 5 \qquad <span class='latex-bold'>(B)</span>\ 6 \qquad <span class='latex-bold'>(C)</span>\ 7 \qquad <span class='latex-bold'>(D)</span>\ 8 \qquad <span class='latex-bold'>(E)</span>\ 9
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A
)
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5
<
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B
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6
<
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C
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7
<
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D
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8
<
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−
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′
>
(
E
)
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9