Mathematics, 23.02.2021 22:20 Tirone
Real numbers are (closed/not closed) under multiplication.
Irrational numbers are (closed/not closed) under division.
Integers are (closed/not closed) under subtraction.
Positive rational numbers are (closed/not closed) under addition.
Answers: 1
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Real numbers are (closed/not closed) under multiplication.
Irrational numbers are (closed/not close...
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