Page 6 - Elementary Algebra Exercise Book I
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ELEMENTARY ALGEBRA EXERCISE BOOK I prefACe
PREFACE
The series of elementary algebra exercise books is designed for undergraduate students with
any background and senior high school students who like challenging problems. This series
should be useful for non-math college students to prepare for GRE general test – quantitative
reasoning and GRE subject test – mathematics. All the books in this series are independent
and helpful for learning elementary algebra knowledge.
The number of stars represents the difficulty of the problem: the least difficult problem has
zero star and the most difficult problem has five stars. With this difficulty indicator, each
reader can easily pick suitable problems according to his/her own level and goal.
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