# The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.

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mathgrant
A very tilted cell member

Posted: Mon Jun 09, 2008 2:41 am    Post subject: 1

Oh, dude, man, you should have been here earlier. I was multiplying these two numbers, and it was freakin' A, man. You should have seen it. I was totally multiplying those numbers, dude. The numbers I multiplied were. . .

Oh, crap. I can only remember three digits in the multiplication.
 Code: ****   x**** -------   ***** **9*    ------- **8**1*
Can you help me reconstruct the rest of the calculation? That'd be, like, flippin' sweet.

Last edited by mathgrant on Tue Jun 10, 2008 4:57 pm; edited 1 time in total
The Great Crep'er
2% Spambot

 Posted: Mon Jun 09, 2008 2:53 am    Post subject: 2 I can only state the obvious for now. The first section is multiplication with decimals where the last three digits are behind the decimal (not to mention for every row of numbers in the problems), the second section is of course adding. And I might even work on more of the problem tomorrow. (I will) But I just wanted to say MATH, YOU'RE BACK!!! What happened to ya?_________________Potato. Belgium. Eight. Random Lynch # Mafia awaits.
Trojan Horse
Daedalian Member

 Posted: Mon Jun 09, 2008 3:20 am    Post subject: 3 Answer: 9891x1009=9980019 Take that, TGC!
Lepton*
Guest

 Posted: Mon Jun 09, 2008 3:27 am    Post subject: 4 (drats, too slow)
The Great Crep'er
2% Spambot

Posted: Mon Jun 09, 2008 3:30 am    Post subject: 5

 Trojan Horse wrote: Answer: 9891x1009=9980019 Take that, TGC!

I just wanted to say hi to a good user from another forum. Meanie head.
_________________
Potato. Belgium. Eight. Random Lynch # Mafia awaits.
mathgrant
A very tilted cell member

Posted: Tue Jun 10, 2008 4:55 pm    Post subject: 6

Whoa! You figured it out, Trojan Horse! How, like, totally radical! And, like, hey, TGC! Nice runnin' into ya, man.

So, dude, I just multiplied another pair of numbers, and it was soooo awesome! Seriously. It was gnarly, dude. I'm just so stoked right now from all the multiplying I just did! Here are the numbers I multiplied:

....

Crap, I forgot most of the digits again.

 Code: ****  x *** ------   42**  *42* **42 ------ ***6**

Um. . . Help me again, dude?
_________________
My logic puzzle blog
ralphmerridew
Daedalian Member

 Posted: Tue Jun 10, 2008 5:21 pm    Post subject: 7 1421*213?
mathgrant
A very tilted cell member

 Posted: Tue Jun 10, 2008 10:23 pm    Post subject: 8 ralphmerridude. . . you rock so hard! Thanks a lot, man! If I ever need you guys' help again, I'll, like, totally ask for it. 8D_________________My logic puzzle blog
The Great Crep'er
2% Spambot

Posted: Wed Jun 11, 2008 2:33 am    Post subject: 9

 mathgrant wrote: If I ever need you guys' help again, I'll, like, totally ask for it. 8D

Erm, homework help?

Haha good to see you math. Just in case u don't know, I'm the user whose name starts with a b on the H*R wiki forums, and it is important that it is not capitalized.
_________________
Potato. Belgium. Eight. Random Lynch # Mafia awaits.
mathgrant
A very tilted cell member

Posted: Wed Jul 29, 2009 7:22 pm    Post subject: 10

Whoa, duuude. I know it's been over a year and all, but I was just multiplying another pair of numbers, but before I had a chance to add up the three smaller products to calculate the final product, the paper caught on fire. Alas, all I remember are which digits are even (e) and which are odd (o).

 Code: eoo   xoee ------   oeoe  oeee  oeo       ------

I think you know the drill, dude.
_________________
My logic puzzle blog
Trojan Horse
Daedalian Member

 Posted: Wed Jul 29, 2009 11:58 pm    Post subject: 11 Duuuuude. You need to use a calculator, man. Calculators are, like, totally awesome, and they're a lot faster than pen and paper (bogus). How about this: (235x386=90710)? Does that look right, dude?
mathgrant
A very tilted cell member

 Posted: Fri Jul 31, 2009 2:31 am    Post subject: 12 . . . they make calculators? Dang. I didn't know that. That would save me a lot of trouble in the future. And those numbers look exactly like the ones I was multiplying -- way cool!_________________My logic puzzle blog
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