http://elexandra.livejournal.com/ ([identity profile] elexandra.livejournal.com) wrote in [personal profile] juan_gandhi 2016-10-21 08:21 pm (UTC)

1. x>0

2.
если в этих ваших америках ноль натуральный, то да
нет
да

3. нет, нет, нет

4. C
(47 comments)

Post a comment in response:

This account has disabled anonymous posting.
If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting
 
Notice: This account is set to log the IP addresses of everyone who comments.
Links will be displayed as unclickable URLs to help prevent spam.