(i) Which rational number is its own additive inverse?
(m) is the difference of two rational numbers a rational number?
1 Is addition commutative on rational numbers?
w is addition associative on rational numbers?
vi is subtraction commutative on rational numbers?
(vi) What is the negative of a negative rational number?
(Vii)is subtraction associative on rational numbers?
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numbers a rational number?
1 Is addition commutative on rational numbers?
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