BASIC MATHEMATICS SERGE LANG Columbia University BASIC MATHEMATICS A TT ADDISON -WESLEY PUBLISHING COMPANY Reading, Massachusetts Menlo Park, California • London • Don…
1 1.1 Numbers, Variables, and Expressions 1.2 Fractions 1.3 Exponents and Order of Operations 1.4 Real Numbers and the Number Line 1.5 Addition and Subtraction of Real Numbers…