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Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 12/AHSME
1984 AMC 12/AHSME
1
Square and difference of square
Square and difference of square
Source:
October 15, 2005
Problem Statement
100
0
2
25
2
2
−
24
8
2
\frac{1000^2}{252^2 - 248^2}
25
2
2
−
24
8
2
100
0
2
equals
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62
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<span class='latex-bold'>(A) </span>62,500\qquad <span class='latex-bold'>(B) </span>1000\qquad<span class='latex-bold'>(C) </span>500\qquad<span class='latex-bold'>(D) </span>250\qquad<span class='latex-bold'>(E) </span> \frac{1}{2}
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2
1
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