The set of fractions is dense because they are only non-negative.
A convenient zero pair is a pair of additive inverses.
The set of rational numbers is a subset of the set of fractions.
The product of an odd number of negative factors is positive.
The opposite of an integer is a negative.
The product of a fraction and its multiplicative inverse is one.
The sum of an integer and its additive inverse is zero.
2006-12-05
02:39:58
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2 answers
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Anonymous
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Science & Mathematics
➔ Mathematics