First Year Algebra

ISBN: 9781331980131 出版年：2016 页码：325 William J Milne Forgotten Books

Algebra uses the same number symbols as arithmetic, namely, 1, 2, 3, 4, 5, etc., but from time to time, as need for them arises, various new symbols will be introduced. While arith~ metic, to a limited extent, uses letters to represent numbers, their use is a distinctive feature of algebra.