A mathematical expression like4 + 2 = 6
Identify parts of an expression using 
mathematical terms (sum,... [DOC] [TLE] Algebraic expressions - A complete course in algebra - The Math Page [PAR] We imitate the rules of arithmetic with letters, because we mean that the rule will 
be true for any ... Do not confuse the centered dot -- 25, which in the United 
States means ... and if a represents 5, and b represents 6, then c must represent 
11.