I had manhattan 5 lb 3rd edition. My senior gave me the 2nd edition. I found that there are more problems in 2nd edition and some of them have been skipped in 3rd edition,
Is it better to practice old one? or practicing 3rd edition.
I had manhattan 5 lb 3rd edition. My senior gave me the 2nd edition. I found that there are more problems in 2nd edition and some of them have been skipped in 3rd edition,
Is it better to practice old one? or practicing 3rd edition.