100 thoughts on “How to Do the Calculator Prediction Trick

  • June 18, 2010 at 8:53 am
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    i dont get it

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  • June 18, 2010 at 12:05 pm
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    @bee5120 😐 ….

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  • June 20, 2010 at 9:55 pm
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    Umm,it didn't work.

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  • June 21, 2010 at 10:12 am
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    lmao has anyone noticed that that's the same guy? he knew the number already

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  • August 11, 2010 at 4:49 am
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    @Clubpenguinnews8 yes he has me

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  • August 11, 2010 at 4:59 am
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    wtf too complicated

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  • August 21, 2010 at 12:15 am
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    vin diesels hairy cousin haha

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  • September 12, 2010 at 1:28 am
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    @bigguy7878

    algebra is delicious, geometry sucks D:.

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  • December 1, 2010 at 3:41 am
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    if you need a friend then how come that dude did both papers?

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  • December 11, 2010 at 5:09 pm
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    @bigguy7878 whos great ideaa was it to put letters in math?

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  • December 23, 2010 at 9:33 am
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    well if i wrote 444 it wouldn't be true -.-

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  • December 28, 2010 at 3:39 am
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    Just try any 2 digit number and do not use multiples as ten such as 10 20 30 40 50 60 70 80 90. I tested it twice and i won!!!

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  • January 2, 2011 at 12:40 am
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    Eric Surf 6 did this before, I think.

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  • February 13, 2011 at 2:14 pm
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    @kroasana lol

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  • February 26, 2011 at 6:04 am
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    Where can I buy a friend o:?

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  • March 5, 2011 at 8:45 am
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    @anticorncob6 we would have neve gone to the moon? how come the summerians the first civilization on the planet, knew about the solar system , and how many planets were in our solar system. we couldn't predict eclipses, how did the mayans predict eclipses 50 years before they happen?and about the population , instead of population it must be the depopulation becuz thats what our governments doing, with all the earthquakes around the world, with their HAARP project. Search everything i said

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  • March 26, 2011 at 1:43 pm
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    Man fuck that calculator sleazy tricks. Thats just math.
    I know ho to predict a footbal match for example .
    I also know how to draw the same thing you drew on a paper.

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  • April 9, 2011 at 5:07 pm
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    @bigguy7878 Fuck you Greek Guy Fuck you!

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  • April 9, 2011 at 5:10 pm
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    @kroasana Haha you fuuny wittle guy you fuuny! I'm kidding my friend said that when she saw that video too! I'm her only friend, shes a geek. Anyway, she doesn't like me cuz I'm a tomboy! She said Damn when she needed a friend sucks for her, she's in jail now for an assault, on me! 🙁

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  • April 10, 2011 at 8:21 am
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    @L0ve4Cookies sad

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  • April 11, 2011 at 4:55 pm
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    woah my number was435 and it guessed it… thats really fucking weird.

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  • May 1, 2011 at 5:56 am
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    5 ppl don't know how to subtract

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  • May 9, 2011 at 7:23 pm
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    1:16 its like he has a womans voice xD

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  • June 4, 2011 at 5:12 am
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    I tried to do this with my mom shes 41 and so i was like pick a number and then scramble it and she was like how and then i showed her an exaple then she put the same number and she showed me and then i showed her again i was like put the bigger one on top and she still didnt know how to do it ughh what a artard

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  • June 6, 2011 at 7:34 am
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    I like penguins.

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  • June 16, 2011 at 9:44 am
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    He must have no friends if he has to guess his own number…

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  • July 15, 2011 at 1:40 pm
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    @kroasana – i'm forever alone.

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  • July 21, 2011 at 4:33 am
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    it the same person

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  • July 24, 2011 at 3:15 am
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    73? lol he only has two friends? 😀

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  • July 27, 2011 at 5:33 pm
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    I'm lost. 0.0

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  • July 29, 2011 at 9:50 pm
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    @6thegfam it does.. you can scramble it to 020 which is 20
    200-20=180
    1+8=9
    🙂

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  • August 4, 2011 at 11:59 am
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    how about 11 or 111?

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  • August 7, 2011 at 9:47 pm
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    @96FuckYeah Bahahahhahaahhahhahha 😀

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  • August 7, 2011 at 9:48 pm
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    So, Where can I buy this thing called a " friend"?

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  • August 7, 2011 at 9:49 pm
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    How does the person not understand where they are going> It's common math!!!

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  • August 16, 2011 at 9:21 pm
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    were do i get friends?

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  • August 23, 2011 at 9:58 pm
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    @mastertheunknown 17.99 for a monthly plan 25.99 for half a year and 42.99 for the yearly plan

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  • August 23, 2011 at 10:01 pm
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    @96FuckYeah so what if ur ginger?

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  • August 26, 2011 at 4:43 pm
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    haha i watch howcast just for the comments 😀

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  • August 27, 2011 at 7:42 am
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    @peterpiperriperreter Until only one number remains. 1 + 8 = 9.

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  • September 1, 2011 at 3:37 pm
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    im sorry, but why the fk would anyone actually bother wanting to do this?

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  • September 10, 2011 at 11:03 pm
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    @bigguy7878
    cuz hes Arab the oldest proof of the existance of algebra is in ancient Egypt ancient China and ancient Babylon
    and the word algebra comes from the word al-jabr

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  • September 11, 2011 at 7:35 am
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    this is so racist… an arab guy invented algebra…

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  • September 22, 2011 at 6:30 am
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    WTF? did they use the same guy for both people?

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  • September 25, 2011 at 7:47 pm
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    this doesnt work

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  • October 1, 2011 at 12:44 pm
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    doesn't work if the person picks a double digit number like 66 as it comes out as 0

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  • October 2, 2011 at 2:52 am
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    @96FuckYeah Use your mom

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  • October 2, 2011 at 8:44 pm
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    "you will need a friend"
    mm fuck this

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  • October 14, 2011 at 5:52 am
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    You need a: Friend

    Wtf, this dude played this with his self?

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  • October 14, 2011 at 3:06 pm
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    i chose 99 then it`s 99-99=0 PWND! 😀

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  • October 16, 2011 at 5:37 pm
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    "you'il need a friend"
    what if i'm justin bieber ??,

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  • October 17, 2011 at 2:20 am
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    too fucking complicated

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  • October 20, 2011 at 2:22 am
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    the guy clearly says 7 at the beginning if you read his lips

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  • October 22, 2011 at 12:09 am
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    i got everything but a friend…

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  • October 22, 2011 at 7:15 pm
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    @benlaneconnor what they failed to mention is that the number must be at least a 2 digit number

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  • October 24, 2011 at 5:01 am
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    @96FuckYeah why is the comment blank i can't see anything by something that doesn't have a soul

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  • October 27, 2011 at 2:27 am
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    @mastertheunknown yea but not as good quality

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  • October 30, 2011 at 7:41 pm
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    i know the 1089 trick

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  • November 1, 2011 at 8:47 pm
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    @96FuckYeah you dont have a soul

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  • November 10, 2011 at 9:55 am
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    9658 dosent work. Rearrange to 98-56 = 32. 3+2=5

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  • November 11, 2011 at 6:11 am
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    @rasbeaRRy 4+2 = 6

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  • November 15, 2011 at 6:11 pm
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    This guy cheated.

    "You will need a friend."

    …It's the same guy on both sides of the table…

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  • November 20, 2011 at 8:50 am
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    1:07-1:13 basically means "make sure u use a calculator cuz u know u have some dumb ass friends."

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  • November 26, 2011 at 8:13 pm
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    does not work for 11, 22, 33, 44, 55, 66, 77, 88, 99

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  • December 15, 2011 at 5:43 am
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    @96FuckYeah Then find Harry Potter. ¯_(ツ)_/¯

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  • December 20, 2011 at 4:41 am
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    @96FuckYeah you can use mirror.

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  • December 24, 2011 at 2:15 am
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    I put "55" as my number, answer 10 O.o

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  • December 24, 2011 at 9:17 am
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    "you will need a friend"
    Me: hits x

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  • January 6, 2012 at 9:42 am
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    I`m watching Howcast only to see the top comments xD

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  • January 17, 2012 at 6:50 pm
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    what if the number is 55 55 – 55 is 0 0+0 is 0 -.-

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  • January 24, 2012 at 1:05 am
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    @cuvautoofficial or twins lol

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  • January 25, 2012 at 7:45 pm
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    Step 1 Go on the streets and try to buy a friend.
    Step 2 Try to play this trick with him.
    Step 3 I can predict that your friend what you found is ginger.
    Step 4 Success Now you have got your first friend
    Did you know if you are trying to do this you are a ginger or computer nerd.

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  • February 18, 2012 at 12:01 am
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    924-249=675…6+7+8=9?so?

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  • March 8, 2012 at 8:11 pm
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    @xXtheoneinpurpleXx loooool

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  • March 12, 2012 at 11:00 pm
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    @cuvautoofficial twins o_o

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  • March 15, 2012 at 7:06 am
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    LOL it'd be awesome if he showed the prediction upside down and the guys like LOL THATS NOT MY NUMBER DUMBASS!

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  • June 15, 2012 at 6:17 am
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    wow lol why are people getting confused?

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  • September 10, 2012 at 1:31 am
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    Hmm… well i went to Walmart and asked people where i can buy a "friend," and everybody i asked just looked at me like i was crazy for some weird reason…

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  • September 10, 2012 at 12:20 pm
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    Yeah…People are weird these days

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  • October 22, 2012 at 11:36 pm
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    431-134=297… 2+9+7= 18 0.o

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  • January 23, 2013 at 2:25 am
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    I'm sorry, but F U to the algebra guy… he made my freshman year living hell!

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  • February 10, 2013 at 4:01 am
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    i was thinking the same thing

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  • February 11, 2013 at 5:42 am
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    i don't have a friend *forever alone*

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  • February 18, 2013 at 2:48 am
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    i tried this and it didn't work

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  • April 13, 2013 at 7:26 am
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    Outstanding clip. Youtube is wonderful for this type of thing.

    My best friend used to be bullied. He stated he was about to get bigger muscle mass. I laughed at him because I didn't think he would for a second…. Then without warning he gained 40 pounds of full-strength muscle. He tried the Muscle Building Bible – look for it in Google. No one dares to intimidate him nowadays. I personally registered a few days ago. See what happens. And the mans emails are fucking interesting!

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  • May 7, 2013 at 10:23 pm
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    Took me a while to realize they're the same person

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  • May 20, 2013 at 3:40 am
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    it says add them until you reach one number, so in your case you will do….

    431-134=297…2+9+7=18…1+8=9 😉

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  • May 24, 2013 at 10:20 pm
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    Then you did something wrong.

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  • May 24, 2013 at 10:21 pm
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    No F you, algebra is cool, if it "made your freshman year living hell", you're just stupid, either that or you have a bad math teacher.

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  • May 24, 2013 at 10:26 pm
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    You seriously think all technology around today could have been invented without algebra? Are you retarded?

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  • May 27, 2013 at 9:27 pm
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    I honestly completely forgot I'd written this comment and I'm sorry if I offended you, that was not my intention. I don't care for algebra myself, but it's great that you are so passionate about it. People who are good at math make it much easier for those of us who aren't so great to focus more on what they're better at. I apologize if I offended you at all.
    P.S. I actually did not have a bad teacher. I got an A in algebra, I just don't care for math.

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  • May 28, 2013 at 7:00 pm
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    So how was it a "living hell"?

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  • June 5, 2013 at 3:40 pm
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    Hey guys. Fantastic movie. My good friend used to be a flabby. He enhanced his body from 284lbs of fat to 218lbs of full-strength lean muscle mass. We thought it was magnificent! I just joined personally coz I'm attempting to get big muscles. He used the Muscle Building Bible (Look in Google)…

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  • March 9, 2014 at 9:06 pm
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    I CHOOSED 259, I SCRAMBLED IT TO 925, so 925 minus 259 equals 666! WHAT THE HELL HAPPENED!!!

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  • March 9, 2014 at 9:06 pm
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    UNLIKED!!!!!

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  • February 26, 2016 at 3:28 am
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    Too much math.

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  • June 21, 2017 at 11:45 am
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    I failed the first requirement…

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  • June 11, 2019 at 8:11 pm
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    wish i could dislike this multiple times

    Reply

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