Only for Genius.

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You are currently reading a thread in /r9k/ - ROBOT9001

You are currently reading a thread in /r9k/ - ROBOT9001

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Only for Genius.

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2

afsgrwegt55455353

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its eight

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-13

it's sad how many people get this wrong

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it's

3-18+2 = -13

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3 minus 3 is zero, times six but its still zero, six plus two is eight

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https://en.wikipedia.org/wiki/Order_of_operations

PLS

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-12 or

0.3

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Not another one of these.

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It already gives you the answer, it's ??

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>>26432636

>>26432639

this now /thread

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0

-13

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>3-18+2=-13

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>>26432617

3-3x6+2

Multiplication first -> 3 x 6 = 18

Addition -> 18 + 2 = 20

Subtraction -> 3 - 20 = -17

Answer is -17

All you worthless NEETs brag about bettering yourselves, and you can't even Order of Operations?

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-17

unoriginal my ass

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-3*6= -18

-18+2= -16

3+-16=-13

GG

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>>26432776

>>26432780

I know this is bait but fuck you anyway

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>>26432627

2

alaaaaaaaaaaaaaaaahsdahd

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3-3x6+2

0x8

0x8 = 8

yall some dumb motherfuckers.

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can't argue with wolf

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3 - (3*6) +2 =

3 -18 + 2

= -13

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>>26432617

3-3=0

0*6 = 0

0+2 = 2

so it's 2, easy.

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>>26432617

so many dumbasses itt

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3-3 = 0

6+2 = 8

0 x 8 = 0

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Maybe I'm getting too old for the Internet. Is this supposed to be difficult? Please excuse my dear aunt Sal. Multiplication and division are the same operation, so are addition and subtraction.

3-3x6+2

3-18+2

-15+2

-13

I sweat, you millennials have been really handicapped by your new ways of doing math. The fact that this is something difficult for you makes me question what I was taught.

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>>26432923

where does the 8 go? It doesn't vanish into thin air you moron.

If you have 8 of something and multiply it by nothing, the 8 somethings are still there

fucking stupid.

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3-3*6+2

3-18+2

3-20

-17

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>there are people out there who will fail this

Christ man, I barely passed Calculus in college and even I know this

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>>26432928

Now don't you feel retarded.

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>>26433004

> -18+2 = -20

It's -16 dipshit. Adding and subtracting works in reverse order with negative numbers

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>>26432617

-17 is the answer.

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Going in the order of PEMDAS, following it left to right would equal

3*6 = 18

18 + 2 = 20

3 - 20 = -17

Going with PEMDAS but defaulting to left to right with both addition and subtraction on the table would equal

3*6 = 18

3 - 18 = -15

-15 + 2 = -13

All in all a stupid trick question that depends on how you were taught to use PEMDAS.

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>>26433101

Amending the second statement, going from left to right in the *equation*, not going left to right following PEMDAS.

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>>26433101

There is only one way to use PEMDAS. Mathematics is an objective science. An equation with only one unknown element can't have more than one solution.

Also in the first part you forgot that the 18 is negative, so you get -16, not 20

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>>26433151

>Mathematics is an objective science

Oh boy. Another ignorant fuck trying to look clever.

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>>26433151

I know some people were taught to follow PEMDAS to the letter, as in going P->E->M->D->A->S which is why I formatted it like that. Addition comes first in PEMDAS so that's why it was positive 18.

The other way that I've seen and heard it taught is P->E->MD->AS where you follow the default left to right of the equation, depending on the problem itself and not the order of operations.

Also your statement is incorrect anyway as it would make no sense for the 18 to be negative, it hasn't been modified besides being a factor of 3*6.

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>>26433171

If we write the equation in the OP as 3-3*6+2 = x, only has one value that satisfies the equation correctly. Of course if we were to enter with 2 or 3 variables we could have infinite results, (and two results would be possible if x was square rooted), but this level of maths is as objective as it gets. -13 is the only answer.

>>26433209

Yes it does make sense for 18 to be negative you imbecile, if you remove the first 3 and the 2 you get (-3*6), the signal doesn't disappear on thin air. It's still there to be considered and it changes the result to -18

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>le troll format math maymay

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>>26433209

>Americans are unable to remember basic rules unless they follow some silly poem

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>>26433235

Mathematics is objective, yeah, but it's not a science.

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>>26433235

But, first, why would you randomly remove the 3 and 2? Following PEMDAS you would just get 3*-18+2 with your logic.

>>26433305

I wasn't taught the poem, just the order of operations.

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>>26432858

Kek this is poor bait nobody can be this stupid.

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>>26433360

its right though. 0x8 hex coverts to 8 dec.

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Polish notation?

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>>26433339

Because since first you need to sulve the multiplication. The elements of the multiplication are -3 and 6. They are -18

Adding and subtrating only comes later and you have two elements adding, a 3 and a 2.

So You could rewrite the equation like

-18 + 5

5 - 18

2 - 18 + 3

3 - 18 +2

All these are equal to -13, which is the only possible result, since this equation only admits ONE solution

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>>26432617

3-3=0

0*6=0

0+2=2

anyone who says otherwise should consider suicide

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>>26433475

If you ever go to college make sure you stay away from STEM or anything that requires numbers because you'll be there 10 years just to make basic Calculus

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>>26433101

Jesus Christ fucking kill yourself.

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>>26433472

I see what you mean now. But that's still not following PEMDAS, that's just being anal about how the problem is sorted. Also, where did the 5 come from? 3 and 2 never got added together. I do agree that -13 is the only solution but your ignoring parts of it only make sense because you want them to.

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>>26433517

>thinks he is superior to me

>can't do basic math

kill urself faggot

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3 - 3 x 6 + 2

3 x (-3 x 6) + 2

3 x (-18) + 2

3 x -18 = -54

+ 2 = -52

Answer: -52

You guys are fucking idiots.

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>>26432617

Notice that the variable ?? is in the sentence. It reads "only 4??". Unless you are a retard than ?? = -13, so the answer is -52.

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3-3*6+2

= 3-3*8

= 0*8

= 8

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>>26432617

I know this is some kind of bait, but, in all seriousness, do you people actually believe it's anything else than -13?

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>>26433101

There's only one way to correctly order your operations.

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>>26433610

Of course there is, the second way is objectively correct. I'm just attempting to explain the difference in people's answers.

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>>26433549

5 is 3+2. Since you already solved the only multiplication, you could write -18 + 3 + 2, or simply just directly write -18 + 5. You should follow PEMDAS, however from the moment all multiplications and divisions are out of the way, adding or subtrating in any order ends up giving the same result, altough we usually do them in order left from right for the sake of simplicity

The point I was making is that -13 is the only answer

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>>26433637

OK. I completely agree with you, -13 is the only answer here. I just tend to keep it simple. Thanks for the insight though!

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>>26433586

It's -52.

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You guys really think it's:

3 + (-3 x 6)

And not:

3 x (-3 x 6)

??????????

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>>26433723

How did you even racionalized that multiplication signal? What the fuck

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>>26432617

/b/ pls fuck off with your threads. you arent welcome here you newfag.

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>>26433821

The 'minus' symbol belongs to the '3' in (-3 x 6).

That leaves you with: 3 (-18)

In these instances you must multiply.

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>>26433862

If you're going to think like that, you get 3 + (-3*6) you dumbshit, That 3 has a + on the left and a - on the right, how the fuck would it suddenly multiply outta nowhere?

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>>26433022

Wow you are dumb. It's is -13 you fucking dolt.

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>>26433914

It's -52. I've already explained why,

Sorry if it's beyond you.

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>>26434066

Have you passed Calculus by any chance?

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>>26434086

Why am I wrong?

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>>26432617

-13

>I'm the next Einstein guise!! E=mc^2 lmao

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>>26432976

I know this is bait but you got me good.

No one can be this retarded

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>>26434303

because if you add the brackets on -3*6, the - decomposes into +-, not *- you imbecile

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>>26434066

WTF, you actually cannot into math.

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>>26434066

+3 -18 +2

-18 +5 = -13

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>>26434432

But it's 3 x -18.

That's what I was taught.

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>>26434522

You were taught wrong, kill yourself

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>>26434522

Multiplication is done first.

-3 times 6, -18.

Then you are left with a three members addition, with +3 -18 and +2.

Nothing else to discuss.

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>>26432636

>dropped out of 7th grade

>still remember PEMDAS

I got -13 :^)

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>>26434586

Ok thanks.

I guess the answer is different in different countries and school systems.

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>>26434786

Mathematics is objective you triple nigger, this is an equation with ONE variable, there is only one possible result that is -13

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>>26432617

nigga, the expression is invalid,

> Onlyfordumbcunts.png

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>>26434815

Yeah, where you're from.

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>>26435125

Mathematics are universal you moron, 1+1 is 2 anywhere, be in America, be in Poorfagistan or some cannibal island on the Pacific Ocean

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>>26435149

We're not talking about 1 + 1 though.

We're talking about 3 - 3 x 6 + 2

There are different interpretations of the rules.

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>>26435268

What is appliable to a simple addiction also applies to multiplications and divisions. Mathematics is an unversal languages, not like spoken languages that change with world zones

You were either taught wrong, or didn't pay attention and solved it wrong. Either way if you went though the effort of contacting a mathematician from America, Australia, Germany, CHina etc, they would all give you the same answer -13

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>wut r PEMDAS

3-(18+2) = -17

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>>26435316

I doubt I'm wrong. In high school I was almost top of my mathematics class and there was over a 100 people in that class.

I was one of the first to enroll at my country's first engineering college.

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>>26435422

>Be Aerospace Engineer from this guy's country

>because of the curriculum I built to myself get invivted to work on a new rocket in America

>get put in charge of pretty important calculations

>turns out maths are done differentely in America lel

>nothing adds up with the rest of the work of other engineers

>six dead during test

If an idiot like you that can't even manage to solve correctly a basic equation was at the top of maths class I weep for your country

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>Not putting everything in parentheses

(3)-(3)(6)+(2)=(-13)

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>>26432617

3-3*6+2

=3-18+2

=-15+2

=-13

>>26434786

>>26435125

>>26435422

Holy shit are you dumb. I saw what you were trying to do >>26433571 here. If you're going to use parenthesis, it should go like this:

3 - 3 X 6 + 2

= 3 - ( 3 X 6 ) + 2

=3 - (18) + 2

= -15 + 2

= -13

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>>26432617

I dropped out of high school and even I got -13

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>>26432617

it's tree fiddy

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>>26435491

My country will probably be ahead of yours in the future.

English is one of two languages I speak. Can you say the same?

Coming from modest beginnings doesn't make me wrong and you right.

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>>26435758

Actually yes it does, because the only true solution to this equation is -13 and since you got it wrong you're wrong

I also have a huge suspicion that you're Indian, so poo in loo, designated shitting streets etc

For reference I'm billingual and I'm currently learning a third

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>>26432617

-13 duh

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>>26435815

I'm tired of this. We'll have to agree to disagree.

Neither of us can be proved right on the internet.

But I'll be taking this maths problem to my lecturer to see what he has to say.

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>>26435758

>My country will probably be ahead of yours in the future.

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>>26432617

Is there a benefit in calculating this way rather than going 3-3 = 0, 0 x 6 = 0 et cetera?

I got a 0 on my highschool math exam

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>>26432617

17

Bodmas mate.

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>>26436507

Multiplication needs to go first, i have no idea why would they teach you a different thing. It is some higher level maths stuff.

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you yanks are retarded with your PEMDAS shit

Hong kong here, and we just use the algebraic axioms. that's why we learn calculus at age 14.

And yes, it's -13

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>>26435758

>English is one of two languages I speak, can you say the same?

>bragging about 2 languages

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This shitty baiting is depressing as fuck.

Time to leave.

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>>26436625

>Multiplication needs to go first

I want to know why though

To me it seems more complex than it needs to be

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>>26433862

a-b=a+(-b)

Your statement is false unless there were parentheses around the -3 initially, which would imply the multiplication.

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>>26432776

It isn't 3-(3*6+2) though

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>>26436880

I believe this

>>26436641

could be the answer

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>>26432636

Its probably a meme. [spoiler ] you dip [/spoiler]

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>>26436767

Yeah, leave me alone?

More than most of your country.

>>

3-3

0

0*6

0

0+2

2

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