a operation symbol is like minus(-) plus(+) multiply(X)and divide
An expression.
Operation symbols in mathematics are used to represent mathematical operations, such as addition (+), subtraction (-), multiplication (×), and division (÷). These symbols are used to perform calculations and denote relationships between numbers or variables.
Expression
An expression.
If symbols do not have an equals then it is an expression.
An algebraic expression;)
An algebraic expression.
2a+3b=?
a operation symbol. example +, -, x, '/.
an expression
parentheses
999 over 999= 100%