It is an expression when it does not contain an equality (or inequality) sign
it is a varible
An expression.
Fourth Book of the Old Testament: Numbers
Rearranging the parentheses in such an expression will not change its value, No mater what numbers are inside.
What kind of mathematical phrase? can you please cite some examples?
Algebraic expressions is a mathematical phrase that contains operations numbers or variables.
An expression
A mathematical phrase containing numbers and operations is called an expression. Expressions can be joined together with an equals sign to form an equation.
"arithmetical expressions" may be what you are seeking.
no because it can also contain letters
Expression is the mathematical phrase made up of numbers and operations
An expression.
algebraice expression
Algebraic expressions is a mathematical phrase that contains operations numbers or variables.
An algebraic expression is a mathematical phrase that includes numbers, variables, and operational symbols.
An expresssion
it is a varible