UPSKILL MATH PLUS

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1. All rational numbers have an additive inverse.
 
2. The rational numbers that are equal to their additive inverses are \(0\) and \(-1\).
 
3. The additive inverse of −11−17 is 1117.
 
4. The rational number which is its own reciprocal is \(-1\). 
 
5. The multiplicative inverse exists for all rational numbers.