Lesson 1

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 2

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 3

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 4

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 5

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 6

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 7

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 8

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 9

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 10

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 11

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 12

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 13

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 14

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 15

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 16

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 17

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 18

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 19

		Exercise 1.
		Exercise 2.
		Exercise 3.

Lesson 20

		Exercise 1.
		Exercise 2.
		Exercise 3.