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re: Spinoff: X=6/2(2+1)
Posted on 2/27/15 at 2:33 pm to KG6
Posted on 2/27/15 at 2:33 pm to KG6
quote:No, they aren't. Simplify it down and make it all multiplication. 6*(1/2)*(2+1). Any way you want to read that is gonna give you 9.
But those answering 9 are doing the same thing.
Nothing in the equation is telling you that (2+1) is in the denominator.
Posted on 2/27/15 at 3:00 pm to OneMoreTime
A(B+C)shows the multiplying (AB+AC). If you do that operation first, which is completely acceptable since multiplication takes place at the same time as division in order of operations, then the parenthesis are now in the denominator. 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.
This post was edited on 2/27/15 at 3:10 pm
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