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Gigantic picture because gigantic

Division is a fancy way of multiplying by a number from -1 to 1 (excluding 0); subtraction is a fancy way to add negative numbers. As such, the person who wrote it out as 6*.5*(1+2) has the best explanation.

Funny question. I think that the confusion comes from the fact that the equation is written so lazily. 6/2(2+1) I tend to naturally view as 6/(2(2+1) assuming implied parenthesis, whereas in reality it is (6/2)*(2+1) or 6 / 2 * 3.

When M and D conflict, I think we're supposed to go left to right so then the answer should be 9.

GOGODERAILENGAGE

Stop using the division symbol.
This isn't grade school anymore.
It's like eating paste.

Dabamf_sl said:

Dumb
Number next to parentheses can omit the * symbol
Rewrite

6/2(1+2)=>6/2*(1+2)
Now clearly
3*(1+2)
9

You guys claiming 1 are acting like being next to parentheses is like being inside. Dumb

Click to expand...

Numbers being next to the parentheses is called juxtaposition. Most programming languages cannot give priority to multiplication by juxtaposition because of the way brackets are used when programming. Since calculators are written using these programming languages, they do not give precedence to multiplication by juxtaposition.

Some mathematicians do give precedence to multiplication by juxtaposition, some don't. The ones who do give precedence to juxtaposition seem more reputable to me, since they include groups like the American Mathematical Society. Purple Math is generally considered to be a reputable site. Check the third section on this page:Purple Math

TLDR: I believe that google calculator is wrong.

My favorite part of the whole bit is how people think PEDMAS means "Divide, then Multiply" because that's how it is read. Like the (completely wrong) image above that completely changes the equation by changing it to a fraction.

Xeldar_sl said:

Division is a fancy way of multiplying by a number from -1 to 1 (excluding 0); subtraction is a fancy way to add negative numbers. As such, the person who wrote it out as 6*.5*(1+2) has the best explanation.

Click to expand...

I think this guy won

Different computers calculating it differently is just a matter of different correct algorithms being used. The issue with the problem isn't people's education or understanding of math, but rather that nobody in their right mind in the real world would ever write a problem out like that in the first place. Its not a PEMDAS issue, its a PEBCAK issue.

Nice day for a bike ride...

It's 1, and considering Stephen Hawking calls me regularly for advice on his latest and greatest paper I'm right.


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