I think that the reason these practice problems are here is so that people can grind their teeth on them and see if they are ready for the program or not. Having an answer to the problem right there probably wouldn't be the most productive way to promote tooth-grinding.
I think that the reason these practice problems are here is so that people can grind their teeth on them and see if they are ready for the program or not. Having an answer to the problem right there probably wouldn't be the most productive way to promote tooth-grinding.