A. Add the following
1. (+9) + (+10)
2. (-7) + (-5)
3.(+5) + (-6)
4.(+2) + (+8)
5.(-1) + (-10)
6. (-3) + (-3)
7.(+4) +(+8)
8. (-8) + (+12)
9. (-11) + (+11)
10. 0 + (-9)
1. (+9) + (+10)
2. (-7) + (-5)
3.(+5) + (-6)
4.(+2) + (+8)
5.(-1) + (-10)
6. (-3) + (-3)
7.(+4) +(+8)
8. (-8) + (+12)
9. (-11) + (+11)
10. 0 + (-9)
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Answer:
1. 19
2. - 12
3. - 1
4. 10
5. - 11
6. - 6
7. 12
8. 4
9. 0
10. - 9
Step-by-step explanation:
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