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B. Add and Subtract the following integers.
8
1. (-3)
2. (+6) + (-12) =
3. (-9)
(+4) =
4. (+8) + (-10) =
5. (-15) + (+7)
1. (-2) - (-12)
2. (-9) (+25)
3. (+35) - (-15)
4. (-28) - (+8)
5. (+6) (+10) =
=