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Hobbes
Mathematics
20 August, 08:55
Are the rational numbers closed under addition?
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Gunner Zimmerman
20 August, 09:19
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Integers: This set is closed only under addition, subtraction, and multiplication. Rational Numbers: This set is closed under addition, subtraction, multiplication, and division (with the exception of division by 0). Irrational Numbers: This set is closed for none of the operations (e. g., = 2, a rational number).
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