圖書目錄 Preface 16 Quadratic Surd Expressions and Their Operations 17 Compound Quadratic Surd Form √(a±√b) 18 Congruence of Integers 19 Decimal Representation of Integers 20 Perfect Square Numbers 21 Pigeonhole Principle 22 [x] and {x} 23 Diophantine Equations (I) 24 Roots and Discriminant of Quadratic Equation ax2+bx+c=0 25 Relation between Roots and Coefficients of Quadratic Equations 26 Diophantine Equations (II) 27 Linear Inequality and System of Linear Inequalities 28 Quadratic Inequalities and Fractional Inequalities 29 Inequalities with Absolute Values 30 Geometric Inequalities Solutions to Testing Questions Index