no in long terms it's 6 ÷ 2(1+2) what are you being taught
I have to try to talk to an idiot so i have to speak in its language.
I would personally not add parenthesis but it seems its the only way SOME people can do math.
Doing this --> (6 ÷ 2) is redundant but for some people it makes it easier for them to visualize it, but then they think they can do this 6 ÷ (2(1+2)) like its allowed.