Whats your cycle history? Sure you could do this if you have the experience.
What ai are you using? 1mg of adex per day is an insane amount. 300 test isnt that much and deca doesnt aromatize as much as test. Dbol aromatizes alot but not enough to warrant 1mg of adex.
In my opinion you should choose one oral and just run it for the 8 weeks. Which is still a long time for an oral