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10-02-2018
Mathematics

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Solve: 2 + 5 - 67 + 15 - 7 + 43 + 2 = ?

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Аноним Аноним

10-02-2018

2 + 5 - 67 + 15 - 7 + 43 + 2
= 7 - 67 + 15 - 7 + 43 + 2
= -60 + 15 - 7 + 43 + 2
= - 45 - 7 + 43 + 2
= -52 + 43 + 2
= -9 + 2
= -7 (answer)

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