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AMC12 2010 A

AMC12 2010 A · Q1

AMC12 2010 A · Q1. It mainly tests Manipulating equations, Fractions.

What is $\left(20-\left(2010-201\right)\right)+\left(2010-\left(201-20\right)\right)$?
$\left(20-\left(2010-201\right)\right)+\left(2010-\left(201-20\right)\right)$ 的值是多少？
(A) -4020 -4020
(B) 0 0
(C) 40 40
(D) 401 401
(E) 4020 4020
Answer
Correct choice: (C)
正确答案：（C）
Solution
$20-2010+201+2010-201+20=20+20=\boxed{\textbf{(C)}\,40}$.
$20-2010+201+2010-201+20=20+20=\boxed{\textbf{(C)}\,40}$.
Topics
AL.016 Manipulating equations AR.001 Fractions
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