Which of the following sets is closed under subtraction? none of the above prime numbers rational numbers posi

Question

Which of the following sets is closed under subtraction?

none of the above
prime numbers
rational numbers
positive odd numbers

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Sigridomena 5 years 2021-08-18T12:27:23+00:00 1 Answers 34 views 0

Answers ( )

  1. Latifah
    0
    2021-08-18T12:29:13+00:00
    Reply

    The answer is Prime numbers.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )