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Math Brain Teasers

Math brain teasers require computations to solve.

Brain Teasers

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  Titleˆ Popularity Difficulty Submitted  
1 5-digit Numbers *** *** 04/20/03 by Mhalun
2 "Simple" Addition #1 *** *** 06/30/14 by Ghostology
3 #/#= what? *** ** 11/24/02 by stargirl
4 $1 *** ** 04/25/01 by Mr. G
5 $100 Bill *** ** 11/18/01 by dariban
6 $99 *** ** 01/20/02 by ChemicalBoy08
7 (6 ? 3) *** ** 01/20/02 by ChemicalBoy08
8 (a x a) x 2 = (a + 5) x 81 *** ** 06/09/02 by Cleverclogs
9 ** and ++ *** *** 05/06/06 by mercenary007
10 0 1 2 3 4....... *** ** 06/09/02 by rose_rox
11 1 + 2; 2 + 3 ** *** 03/18/11 by Oxiproxd9
12 1 1 2 2 3 3 *** *** 05/28/02 by im_para_noid
13 1 2 3 4 5 6 7 8 9 = 100 *** *** 03/27/01 by Mr. G
14 1 = 2 *** *** 03/10/05 by munchtipq
15 1 Line Makes it True *** ** 05/01/05 by settra626

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