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Which sets of numbers are closed under subtraction?
Choose all answers that are correct.
A.
odd natural numbers
B.
rational numbers
C.
{0, 1}
D.
{0, 1, 2}
sorry for bugging you i just don't get it

Respuesta :

olemakpadu
The answer is:

B.
rational numbers

Because if you perform subtraction in a set of rational numbers, the result you get would still be a rational number.

This does not apply to the other sets.

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