I. Rules of paripation "Help me solve maths"
1. Don't put miscellaneous questions on the forum, only post arles that you can't solve or good questions on the forum;
2. Do not answer miscellaneous, does not match the question content on the forum.
3. Do not "True" on miscellaneous answers to fraud points.
NRO là cái gì?
Trl:
Mình ko chs nro nha
Hc tốt
Lần sau ko đc đăng linh tinh lên olm.vn
=))
