Quote:
Originally Posted by Neilk
I still remember (P)lease(E)xcuse(M)y(D)ear(A)unt(S)ally from Mr Neuburger's 9th grade algebra class.
Parenthese
Exponents
Multiply
Divide
Add
Subtract...
so answer should be 2.
|
It should be like this:
Parenthese
Exponents
Multiply/Divide
Add/Subtract
You don't multiply before you divide, you do them at the same time, left to right.
You don't add before you subtract, you do them at the same time, left to right.
Here it is from a grade school math web page:
Order of Operations
Quote:
Rule 1: First perform any calculations inside parentheses.
Rule 2: Next perform all multiplications and divisions, working from left to right.
Rule 3: Lastly, perform all additions and subtractions, working from left to right.
|