how goes taken and done damage

You really need to provide much more infomation such as

is your tank light,medium,heavy and what terrain is it attacking

or defending from.

What are enemy tanks, What is terrain they are defending

or attacking from.

More information better answers for your problem

from players.

i think it without another bonuses because they can calculate if basic system are clear

i known this game much bbut basick incoming outgoiing damage systen are this time yet unknown

You might look at this thread:

https://forum.callofwar.com/index.php?thread/21198-attack-defense-values/

and see if that answers your questions. If not ask more questions here.