3+4*9−6=?

57

All right, let"s settle this once and for all:

Here's the rule:  http://www.algebrahelp.com/lessons/simplifying/oops/

And here's where you can plug your answer into the online calculator to see if you are right:  http://www.algebrahelp.com/calculators/expression/oops/

The answer is 33

63?

Use correct Order of Operations:

1. ( )'s  2. Exponents    3. X & /    4. + & -

3+4*9-6 = Do multiplication first

3 + 36 - 6 = Add, then subtract

33  ANSWER