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For the sum of integers:
-- two positives make a positive
-- two negatives make a negative
-- the sum of mixed signs is the sign of the one with the greater absolute value

For the product of integers:
-- like signs make a positive
-- unlike signs make a negative

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โˆ™ 2009-10-25 22:39:18
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Q: Can the same rules be used to determine the sign of an integer sum and an integer product?
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