sorry, i am new guy to b2evolution. my purpose brings me begin using it. i want to create blogs exclusively for my different websites. all these websites are niche and products different. how can make it using b2evolution?

for example:

one of my bolg url will be www.test1.com/blog1.php
another will be www.test2.com/blog2.php.
and next www.test3.com/blog3.php

here www.test1.com, www.test2.com and www.test3.com are my merchandise websites domain.

or some body enlighten me if b2evolution can kick my goal and most importantly, how? thanks very much in advance for any help from any of you.