A ddition and S ubtraction left-to-right Divide and Multiply rank equally and go left to right. In propositional logic associativity is a valid rule of replacement for expressions in logical proofs. Rules Examples Parentheses.
Order of operations is a method for figuring out which part of a mathematical.
10 2 4. Next perform addition and subtraction from left to right. 9 - 5 8 - 3 x 2 6. 3 2 6 4 2 4.