Algebraic Expressions and Formulas - Engineering ToolBox

Principal algebraic expressions and formulas: a a = a 2 (1). a a a = a 3 (2). a b = ab (3). a 2 b 2 = (ab) 2 (4). a 2 a 3 = a 2 + 3 = a 5 (5). a 4 / a 3 = a(4 - 3) = a (6). www.70fang.com华娱性都花花世界小宝