What do you do the seven numbers of the DEA number?,”-First , third , and fifth you add together-Second, fourth
and sixth you add then multiply the sum by 2-Add those two number products together and you get the last digit”
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What do you do the seven numbers of the DEA number?,”-First , third , and fifth you add together-Second, fourth
and sixth you add then multiply the sum by 2-Add those two number products together and you get the last digit”