2010 AMC 12A Problem 1

Problem 1 of 25EasierAlgebra

What is

(20-(2010-201))

+(2010-(201-20))?

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Solution

Distributing the negative signs gives

\begin{aligned} &(20-2010+201) \\ &\quad {}+(2010-201+20)=40. \end{aligned}

Thus, C is the correct answer.

Concepts: whole number operations · order of operations

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