add solution to Exercise 11.4-1.

Included are the following 2 files:

	11.4-1.pdf
	11.4-1.tm

Thank you!
							Lawrence X. Amlord
							  May 15th, 2014
							  Xi'an, China
add solution to Exercise 10.1-1.

Included are the following 2 files:

	10.1-1.pdf
	10.1-1.tm

Thank you!
							Lawrence X. Amlord
							  May 15th, 2014
							  Xi'an, China