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Old 11-09-2011, 06:10 AM  
DVTimes
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Join Date: Jun 2003
Location: UK
Posts: 31,544
Quote:
Originally Posted by Jel View Post
Like I say, we were expressly taught that only if the brackets are there, do you calculate those 1st - if they weren't, to do as someone else posted, and calculate left to right. I'm assuming no-one has actually bothered to open the calc on their PC and run through the question using 1st standard, then scientific? Basically, the brackets taught us that the question was meant in one way, and without, the question was meant in another.

Exponents, yes.
thats correct

this is baby maths.

shall we talk about ratio analises, as they will do most of your heads in.

you read from left to right.

40 + 40 x 0 + 1 =

means this....

40 + 40 = a

a x 0 = b

b + 1 = c

c = 1

there are NO bracets.

if we had bracets its a different sum.
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