fastreplies wrote: ↑Sun Mar 11, 2018 10:11 pm
...
Wrong, wrong, wrong
What if teacher writes it on blackboard without asking students anything?
1. As I recall my 3rd grade teacher does it exactly like that, she write: "2 + 2 ÷ 2 = ?"
So, even if teacher or student is deaf, it doesn't matter, because that wouldn't
change the one and only silently written in question math's rule
2. Another reason why you're making wrong point is:
What if formula written in way it should be executed "2 + (2 ÷ 2) = ?" or
2
------ = ? would you then first to add and then divide?
2 ÷ 2
1. read my post again and understand the difference between spoken and written arithmetic.
If your teacher writes that then the order of the computation is clear and the answer is 2 +2/2 = 3
If the teacher speaks out the two plus two divided by two, then computation runs sequentially (the reason is plain simple natural behaviour: when a calculation becomes longer, it's almost impossible to remember the order of everything (most people can't even remember and repeat 7 digits on first reading) but is it relatively easy to perform each calculation sequentially (as they come by) and that is the natural way of doing it .
2. is a completely different calculation which is read (and spoken) as : (notice that you didn't use a + here)
two divided by two divided by two ... or as two, divided by two, divided by two or as .... You won't hear the comma's and the result will vary on how it's ' interpreted by the listener, but usually it'll be one half. Bots will always get it "right" (2) when "reading" this as 2/ (2:2).
The point is, if you use a simple calculation as a Q&A, the user knows that x and : should be exectuted before + an -. and Google (and bots) also know that : so it's bad Q&A, in the other case where your users don't follow the correct rules, they won't find the correct answer and won't be able to register.
I guarantee that if you would have a spoken Q & A, specifically: what is the answer to two plus two divided by two, your potential members will give the linguistic answer (3), but an advanced audiobot could well answer that one arithmetically) correct.
Conclusion: make you Q&A clear and simple for the user, but not for the bots .
edit: had to correct some calculations, since i started getting mixed up myself listening to the different ways the divisions can be interpreted.