Choose the number that is composite.
a. 2
b. 21
c. 31
d. 17...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 25.08.2019 07:50, Miamibloem4709
Choose the number that is composite.
a. 2
b. 21
c. 31
d. 17
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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