In addition to being no less fit then (2,4,2)

I believe the answer is:

as well as

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'in addition to' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for as well as that I've seen before include "Along with" , "In addition to (2, 4, 2)" , "In addition to, also" , "Supplementing" , "No less than" .)

I've seen this clue in the Evening Standard.

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