IMO trying to bring math into DBZ is like using Rocket science into a simple math equation, it's pointless especially when everything is based off of speculation.
DBZ is overrated. It's good for what it was in the 90's but I've met some Z fans who hold it on this high pedistal like there will never be another anime as great(not popularity wise I mean as an overall series) as DBZ
Alphamon wins but if he used time travel he'd self bfr
Yusuke clears it with little difficulty.