>>5 * 2 + 1 = 10
>>2 + 1 * 5 = 15
>>
>>change the order of operations and the result changes The - in 5 - 2 is NOT the same operation as the - in -2.
>
>New arithematic rule? What happened to:
>
>1. Simplify all operations inside parentheses.
>2. Simplify all exponents, working from left to right
>3. Perform all multiplications and divisions, working from left to right.
>4. Perform all additions and subtractions, working from left to right.
>
>
>5*2+1 = 10+1 = 11
>2+1*5 = 2+6 = 8

2+1*5 = 2+6 = 8 ????

>
>Or did I misunderstand the message in your post?