"If you have 6/2(1+2), then… "If you have 6/2(1+2), then what determines that a = 2 and not 6/2?" If a = 6/2 then the expression would be presented as (6/2)(1+2). Is it not usual when a constant or variable is defined as a term or expression of numbers that the numbers be enclosed in parentheses? Reply

"If you have 6/2(1+2), then what determines that a = 2 and not 6/2?"

If a = 6/2 then the expression would be presented as (6/2)(1+2).

Is it not usual when a constant or variable is defined as a term or expression of numbers that the numbers be enclosed in parentheses?