[Boards: 3 / a / aco / adv / an / asp / b / biz / c / cgl / ck / cm / co / d / diy / e / fa / fit / g / gd / gif / h / hc / his / hm / hr / i / ic / int / jp / k / lgbt / lit / m / mlp / mu / n / news / o / out / p / po / pol / qa / r / r9k / s / s4s / sci / soc / sp / t / tg / toy / trash / trv / tv / u / v / vg / vp / vr / w / wg / wsg / wsr / x / y ] [Home]
4chanarchives logo
12345679 x 9 = 111111111 12345679 x 18 = 222222222 12345679 x
Images are sometimes not shown due to bandwidth/network limitations. Refreshing the page usually helps.

You are currently reading a thread in /sci/ - Science & Math

Thread replies: 20
Thread images: 3
File: 1443467132283.jpg (47 KB, 499x499) Image search: [Google]
1443467132283.jpg
47 KB, 499x499
12345679 x 9 = 111111111
12345679 x 18 = 222222222
12345679 x 27 = 333333333
12345679 x 36 = 444444444
12345679 x 45 = 555555555
12345679 x 54 = 666666666
12345679 x 63 = 777777777
12345679 x 72 = 888888888
12345679 x 81 = 999999999

but WHY ?
>>
>>8140557
the first one is neat, the following lines, however, are less impressive - and you should be able to see why..
>>
>>8140563

I SEE WHY

NAO EXPLAIN THE FIRST ONE
>>
>>8140568
12345679*9 = 12345679*10 - 12345679
>>
>>8140557
Hmm, good post OP. I suck at math but let me think for a second...

9 x 2 = 18
9 x 3 = 27

First number is larger by one than the previous one, the second one is smaller by one than previous one.

9x9 gives us (8)1 - we write one down and carry over 8

7x9 gives us (6+1)[3 + 8] - we write one down and carry over 7

See why those are similar? We simply remove the value we have to subtract by one and then add one to the value we have to add, so the equation always ends in one EXCEPT for cases where second number results in 0 - this case is with 8, hence it is excluded from the multiplicand. 0 is known to be a frequent exception from mathematical rules so it's not surprising.

18 is simply 9x2 so the result of multiplication will simply be two times larger, and so it goes for 27(9x3), 36(9x4), et cetera.

Do you get me?
>>
retards, retards everywhere

123456789 has 9 numbers

123456789x9 cant = a number with 9 numbers, it has to equal the numbers total, so it would be 10

in other words 11111 11111 shitbirds

how does 123456789 (9) x 9 (1) = 111111111 (9)
>>
File: 1464409456856.jpg (79 KB, 528x396) Image search: [Google]
1464409456856.jpg
79 KB, 528x396
>>8140580
Neat
>>
>>8140613
>123456789 (9) x 9 (1) = 111111111 (9)
but that's wrong dipshit
>>
File: 1465751271647.jpg (19 KB, 251x232) Image search: [Google]
1465751271647.jpg
19 KB, 251x232
>>8140580
thanks anon
>>
>>8140557
[math]\frac{1}{9} = 0.\overline{1}[/math]
[math]\frac{11}{9} = \frac{10}{9} + \frac{1}{9} = 1.\overline{1} + 0.\overline{1} = 1.\overline{2}[/math]
[math]\frac{1111}{9} = \frac{1100}{9} + \frac{11}{9} = 122.\overline{2} + 1.\overline{2} = 123.\overline{4}[/math]
[math]\frac{11111111}{9} = \frac{11110000}{9} + \frac{1111}{9} = 1234444.\overline{4} + 123.\overline{4} = 1234567.\overline{8}[/math]
[math]\frac{111111111}{9} = \frac{111111110}{9} + \frac{1}{9} = 12345678.\overline{8} + 0.\overline{1} = 12345678.\overline{9}[/math]
>>
Report frogposters.
>>
>>8140590
Retard detected
>>
9*9 = 81
7*9 = 63 + 8 = 71

and so on....
>>
>>8140580
Based explanation
>>
>>8140580

nice, much shorter than what I was going to post
>>
>>8140580
nice
>>
>>8140580
(-1/12)/10
>>
>>8140568
>nao
>frogposting
>CRUISE CONTROL

Well, this explains a lot about the people who post frogs...they're underage.
>>
>>8140590
or you could just have said
12345679 x 18 = 12345679 x 9 + 123456789 x 9
>>
>>8140568

just try multiplying it by hand
Thread replies: 20
Thread images: 3

banner
banner
[Boards: 3 / a / aco / adv / an / asp / b / biz / c / cgl / ck / cm / co / d / diy / e / fa / fit / g / gd / gif / h / hc / his / hm / hr / i / ic / int / jp / k / lgbt / lit / m / mlp / mu / n / news / o / out / p / po / pol / qa / r / r9k / s / s4s / sci / soc / sp / t / tg / toy / trash / trv / tv / u / v / vg / vp / vr / w / wg / wsg / wsr / x / y] [Home]

All trademarks and copyrights on this page are owned by their respective parties. Images uploaded are the responsibility of the Poster. Comments are owned by the Poster.
If a post contains personal/copyrighted/illegal content you can contact me at [email protected] with that post and thread number and it will be removed as soon as possible.
DMCA Content Takedown via dmca.com
All images are hosted on imgur.com, send takedown notices to them.
This is a 4chan archive - all of the content originated from them. If you need IP information for a Poster - you need to contact them. This website shows only archived content.