Solve the following using the properties of integers.

1) 18 + 82 + 86 + 14 + 20 =

2) (36 • 2) 3 =

3) (13 +28) 4

4) 34 + (-12) + 15 + 57 + (-57) + 7

5) (5 + 45) 5 =

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Identify what kind of property of intergers applied to the following. Write your answer on the space provided.

1. 36 (9 + 11) = 36 • 9 + 36 • 11

2. 58 • 1 = 58

3. (10 + 8) + 3 =10 + (8 + 3)

4. (16 • 2) • 5 = 16 • (2 • 5)

5. 24 + 18 = 18 + 24

6. (2 × 3)1 = 2(3 × 1)

7. 5+ (-5) = 0

8. 1 +2 = real

9. 6 ×(1/6) = 1

10. 11 + (-11) = 0
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