From: Dutch <no@email.com>
Subject: Re: Math Quiz answer
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Subject: Re: Math Quiz answer
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From: Dutch <no@email.com>
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On 2/2/2018 3:37 AM, joeturn wrote:
> On Thursday, February 1, 2018 at 9:00:37 PM UTC-5, Dutch wrote:
>> On 2/1/2018 3:46 PM, joeturn wrote:
>>>    6÷2(1+2) = ?
>>> This expression can be simplified to yield 9
>>> two ways and not be misunderstood by the majority.
>>> The obvious is to multiply 6/2 by (1+2)
>>> 1+2=3 times 6/2=3
>>> thus 3 X 3 = 9
>>>
>>> The second way to simplify is to covert it to
>>> a fraction as shown below.
>>> 6(1+2)/2. So you have
>>> 6 x 3 divided by 2
>>> 6x3 =18/2
>>> 18/2 = 9
>>>
>>> *always remove the parenthesis by solving whats in them first.
>>
>> This expression can be solved to yield 1 several ways using rules that
>> are commonly believed to be correct.
>>
>> 6÷2(1+2) = ?
>> 6÷2(3) = ?
>> prioritize 2(3) as an implied multiplication like ab, so
>> 6÷6=1
>> or
>> 6÷2(1+2) = ?
>> the next operation has a name, I forget what it is..
>> 6÷(2+4) = ?
>> 6÷6=1
>> or
>> interpret ÷ as a fraction, again
>> 6÷6=1
>>
>>
>>>    It is as simple as 1+2x3
>>>
>> No it isn't. (6/2)(1+3) is as simple as 1+2x3
>> 6÷2(1+2) = ? is a confusing expression.
> 
> It is only confusing to the ones that flunked algebra
> 
>> https://math.berkeley.edu/~gbergman/misc/numbers/ord_ops.html
>>
>> I'm not saying 9 is wrong, the expression is poor. Now obsess about
>> something else.
> 
> BULL SHIT you know not of what you speak.
> 
> When you solve what is inside of the parenthesis. They are automatically removed from the
expression.

Says who?

> 6÷2(1+2) = ?
> 6÷2(3) = ?  so this (3) does not exist anymore it turns into
> 6÷2 x 3 = you idiot.