/sci/ - Science & Math

>>7942082
>assuming associativity of the integers
Wow what are you, a fucking idiot?

>>7942097
>I've never taken a math course past basic arithmetic
[eqn]a - b = a + (-b)[/eqn]

>>7942101
>implying [math](a+b)+c = a+(b+c)[/math] for [math]a,b,c \in (G,+)[/math] a monoid

>>7942104
>using meme theory and assuming I treated the equation as associative
Prove me wrong already. I'm sleepy

>>7942109
Must be sleepy as well in your undergrad classes

>>7942112
All talk but no actions. Stay classy, anon-kun~!
Prove me wrong already.

>>7942082
But that's the same answer that PEMDAS gets.

>>7942114
>didn't specify what objects he's working with
I literally just did, except that I denoted elements of a monoid as [math]10, 3, 2[/math] instead of the generic [math]a,b,c[/math].

>>7942118
PEMDAS states to perform addition before subtraction. Thus saying that [math]10-3+2[/math] should be evaluated as: [eqn]\begin{aligned}
10 - 3 + 2 &= 10 - 5 \\
&= 5
\end{aligned}[/eqn]

>>7942120
LOL no. PEMDAS priveleges subtraction equally to addition. It's actually PE{M/D}{A/S}
But since you went to elementary school, I presume you learned this and are just trolling.
Even if you did perform addition before subtraction, -3 + 2 = -1

>>7942122
You obviously haven't seen how Murican education teaches PEMDAS. Be glad you haven't.

>>7942123
>MFW I'm from Murrica
>MFW public school all my life (including uni, went to UC Berkeley)

>>7942124
Anyone behind a keyboard can say that. :^)

>>7942125
ayy lmao
(can't prove I went to public school for primary/secondary, but why would I lie?)

>>7942125
American education tends to vary pretty widely between states.

>>7942131
California actually isn't ranked very highly for primary/secondary ed. Only for higher education. They still teach us how to correctly apply order of operations.

>>7942132
Why is that the majority of people who use PEMDAS do not realise that the MD and AS have equivalent priority? Most would've argued 5 as the answer.

>>7942130
>actually spending time taking a picture so you can defend your ego in front of a bunch of retards on a board for chinese cartoons
try to figure out what's important in life

>>7942142
I'm on spring break, I really have nothing better to do.

>>7942141
>Most people are stupid
>therefore, the educational system doesn't teach them
No, people just don't retain information, even though it's drilled into them

>>7942145
shitpost more of that sexy semimeme theory then, anon

>>7942082
>>7942097
>>7942101
Take your pedophile cartoons back to >>>/a/.

>>7942201
no ty

>Prove me wrong
NEIN DU ARSCHLOCKE. Lich mich in arsch. NAO

>>7942082
So this is what pain feels like, is it?