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Subject: Re: Math Quiz answer

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From: Dutch <no@email.com>

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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. 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.