Tuesday, September 27, 2011

Lessons 16 and 17

Lesson 16 - Problems 1, 5, 6, 7, 9, 11, 13, 14, 15, 19, 20, 21, 23, 28, 29.

Lesson 17 - Problems 5-9, 11-15, 17, 19, 23, 27, 28, 29, 30.

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