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Contests
National and Regional Contests
Canada Contests
Gauss
1999 Gauss
4
1999 Gauss (7) #4
1999 Gauss (7) #4
Source:
July 6, 2011
Gauss
Problem Statement
1
+
1
2
+
1
4
+
1
8
1+\dfrac{1}{2}+\dfrac{1}{4}+\dfrac{1}{8}
1
+
2
1
+
4
1
+
8
1
is equal to
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A
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15
8
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B
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1
3
14
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C
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11
8
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D
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4
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E
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7
8
<span class='latex-bold'>(A)</span>\ \dfrac{15}{8} \qquad <span class='latex-bold'>(B)</span>\ 1\dfrac{3}{14} \qquad <span class='latex-bold'>(C)</span>\ \dfrac{11}{8} \qquad <span class='latex-bold'>(D)</span>\ 1\dfrac{3}{4} \qquad <span class='latex-bold'>(E)</span>\ \dfrac{7}{8}
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A
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8
15
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B
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1
14
3
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8
11
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D
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1
4
3
<
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>
(
E
)
<
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>
8
7
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