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AMC 10
2015 AMC 10
1
The Standard Opening Arithmetic Computation
The Standard Opening Arithmetic Computation
Source: 2015 AMC 12A #1 / 10A #1
February 4, 2015
AMC
Problem Statement
What is the value of
(
2
0
−
1
+
5
2
+
0
)
−
1
×
5
(2^0-1+5^2+0)^{-1}\times 5
(
2
0
−
1
+
5
2
+
0
)
−
1
×
5
?
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(
A
)
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125
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(
B
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120
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C
)
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5
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(
D
)
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5
24
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E
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25
<span class='latex-bold'>(A) </span>-125\qquad<span class='latex-bold'>(B) </span>-120\qquad<span class='latex-bold'>(C) </span>\dfrac15\qquad<span class='latex-bold'>(D) </span>\dfrac5{24}\qquad<span class='latex-bold'>(E) </span>25
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125
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B
)
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−
120
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>
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C
)
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5
1
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D
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24
5
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a
t
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x
−
b
o
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d
′
>
(
E
)
<
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>
25
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