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re: Spinoff: X=6/2(2+1)
Posted on 2/27/15 at 3:19 pm to KG6
Posted on 2/27/15 at 3:19 pm to KG6
quote:What? When there are two operations at the same level of the hierarchy, you work left to right. That's not an assumption; that is how math is solved.
There is NOTHING that states you must do the division in the equation before distributing that A across the argument in the parenthesis except left to right. That's how people come up with 1. You state that you need to show the parenthesis around the entire denominator to do that operation first. I'm saying that you have to put the parenthesis around (6/2)to do that operation first. You are only doing that operation first because you are reading left to right. That is not enough to define the order of operations.
2
Posted on 2/27/15 at 3:21 pm to buckeye_vol
There are 3 levels to PEMDAS.
Level 1 = Parentheses and Exponents
Level 2 = Multiply and Divide
Level 3 = Add and Subtract
X=6/2(1+2)
X=6/2(3) (At this point, Multiplication and division are at the same level. So it's which ever one comes first while going left to right.)
X=3(3)
X=9
Level 1 = Parentheses and Exponents
Level 2 = Multiply and Divide
Level 3 = Add and Subtract
X=6/2(1+2)
X=6/2(3) (At this point, Multiplication and division are at the same level. So it's which ever one comes first while going left to right.)
X=3(3)
X=9
Posted on 2/27/15 at 3:30 pm to buckeye_vol
[quote]you work left to right. That's not an assumption; that is how math is solved. quote]
This is not really true. Again, it's not like reading a sentence. You really need to put the parenthesis in there to show what to do first.
It wouldn't be such an argument if it was that clean cut. Obviously there are videos showing why people solve it both ways.
This is not really true. Again, it's not like reading a sentence. You really need to put the parenthesis in there to show what to do first.
It wouldn't be such an argument if it was that clean cut. Obviously there are videos showing why people solve it both ways.
This post was edited on 2/27/15 at 3:33 pm
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