Add my answer to Exercise 3.58.

Included are the following 2 files:

	Exercise_3.58.pdf
	Exercise_3.58.scm
	Exercise_3.58.tm

Thank you!
							Lawrence X. Amlord
							  Nov 26th, 2013
							  Xi'an, China
Add my answer to Exercise 3.59.

Included are the following 2 files:

	Exercise_3.59.scm
	Test_for_Exercise_3.59.scm

Thank you!
							Lawrence X. Amlord
							  Nov 27th, 2013
							  Xi'an, China
Add my answer to Exercise 3.60.

Included are the following 2 files:

	Exercise_3.60.scm
	Test_for_Exercise_3.60.scm

Thank you!
							Lawrence X. Amlord
							  Nov 28th, 2013
							  Xi'an, China