Saturday, February 11, 2012

What An Expression And Constant Means!

Expression-Any single number or variables, or combination of operations(-,+,x,÷) Involving numbers and variables eg:5n,8t,2y,-7

Constant-A number that does not change and it increases or decreases the value of an expression

1 comment:

  1. I understand more now the expression and the constant. But you should put more example about the constant