Which set is closed under the operation multiplication?
a.
{1, 2, 3}
...
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Mathematics, 31.01.2020 00:01, suewignall
Which set is closed under the operation multiplication?
a.
{1, 2, 3}
b.
{0, 1}
c.
{0, 1, 2}
d.
{1, 2}
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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