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re: Spinoff: X=6/2(2+1)
Posted on 2/27/15 at 2:32 pm to KG6
Posted on 2/27/15 at 2:32 pm to KG6
quote:OK we can all acknowledge using your basic keyboard symbols makes complex equations harder to communicate.
You read it that way because you are reading it left to right. Rules that govern reading a sentence do not govern math equations. You are right that people who answer 1 choose to do the order of operations as if the parenthesis were put that way. But those answering 9 are doing the same thing. You can't assume people will do operations left to right, because that's not a rule.
As someone else said, its up for interpretation until its written correctly.
That being said, we know the limitations of this style, and we have to add a parentheses to make distinctions. Just like when I type an equation into R, or any other software that has the same language limitations, (I.e., unlike Maple and Mathematica which allow for a more formal representation) if I don't put the parentheses, it doesn't assume they are there.
So only one answer (1) requires an assumption of a symbol that is not clearly specified. I get the reasoning, but it requires an assumption that the other one does not so arguing that they both require one to make a similar assumption is simply not true.
This post was edited on 2/27/15 at 2:35 pm
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