Originally Posted by superman22x
That's not the original equation.
no, it's not, well, it is, and that's rather the point...
the original equation is
[i'll write it as 48 / 2 * (9+3)]
now if you use the simplistic method (that's not correct) that first you have to deal with brackets,
then you use that same simplistic method that you have to deal with multiplication before division.
you get two...
if you ignore the mathematical mnemonic "rules" that were posted earlier and realise that multiplication and division actually carry the same preference then you read left to right.
then you get
=24*12=288 (which is what I said in my first post, because I know that there are no preferences for multiplication over division).
so if you don't actually know how to do maths. then you deal with multiplication before division then you do
if you realise that multiplication has no preferential treatment then you read right to left divide 48 by 2, then multiply it by 12. (=288)
which is why I questioned how using his easy mnemonic xxpoweredgexx had managed to reach the correct answer, when if he'd played by the rules he's set out he should have performed the equation the way I'd written it.
basically, the way I wrote it was the original equation, if you follow an idiots guide mnemonic. the point of questioning your proof was that you wrote the equation how you (and i) read it, I wrote it how the people that are saying it equals two wrote it...
Basically, what I say to all those people who think it's two, I can understand how you think it's two, I can see why you think it's two. I can even write the equation showing the working, but you're still wrong.
or at least that's how I read it.
we could play this game forever.
1/2+4 = ?
-- + 4 = 4.5
----- = 3
to my thinking, if I wrote the equation without brackets, then it's a little open to interpenetration.
if I wrote (1/2) + 4 or 1/(2+4) then it says what I mean...
should the original equation be written as
48/(2(9+3)) or (48/2)(9+3)
that's where the confusion for people is coming from.