1. Calculate $8 - 13$:
$$8 - 13 = 8 + (-13) = -5$$
2. Calculate $8 + (-13)$:
$$8 + (-13) = -5$$
3. Calculate $(-8) - (13)$:
$$-8 - 13 = -8 + (-13) = -21$$
4. Calculate $(-8) - (-13)$:
$$-8 - (-13) = -8 + 13 = 5$$
5. Calculate $(13) - 8$:
$$13 - 8 = 5$$
6. Calculate $(-13) + (-8)$:
$$-13 + (-8) = -21$$
7. Calculate $(-13) - (-8)$:
$$-13 - (-8) = -13 + 8 = -5$$
Integer Operations
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