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, 2015 Difficulty 1.0 Junior Find the answer United Kingdom
Which of the following calculations gives the largest answer?
(A) 1 − 2 + 3 + 4 1 - 2 + 3 + 4 1 − 2 + 3 + 4 1 + 2 − 3 + 4 1 + 2 - 3 + 4 1 + 2 − 3 + 4 1 + 2 + 3 − 4 1 + 2 + 3 - 4 1 + 2 + 3 − 4 1 + 2 − 3 − 4 1 + 2 - 3 - 4 1 + 2 − 3 − 4 1 − 2 − 3 + 4 1 - 2 - 3 + 4 1 − 2 − 3 + 4
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