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Mathematics, 19.11.2020 14:00 Derrielle6451

1. -1 + 2

2. 1 + (-2)

3. -1 - 2
-
4. 1 - (-2)

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Answers: 2

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1. -1 + 2

2. 1 + (-2)

3. -1 - 2
-
4. 1 - (-2)...

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