MathDB
Problems
Contests
National and Regional Contests
Canada Contests
Gauss
1999 Gauss
1
1999 Gauss (7) #1
1999 Gauss (7) #1
Source:
July 6, 2011
Gauss
Problem Statement
1999
−
999
+
99
1999-999+99
1999
−
999
+
99
equals
<
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A
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901
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B
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<
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1099
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C
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1000
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D
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199
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E
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99
<span class='latex-bold'>(A)</span>\ 901 \qquad <span class='latex-bold'>(B)</span>\ 1099 \qquad <span class='latex-bold'>(C)</span>\ 1000 \qquad <span class='latex-bold'>(D)</span>\ 199 \qquad <span class='latex-bold'>(E)</span>\ 99
<
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(
A
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<
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901
<
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(
B
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<
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1099
<
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C
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<
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1000
<
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D
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<
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199
<
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(
E
)
<
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>
99
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