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Brain teaser – Make this equation true, 999999999999999 = 1990

Insert +, -, x or / in suitable places on the left side of = so as to make the equation true:

999999999999999 = 1990

There is a number less than 3000 that when divided by 2 leaves a remainder …

Alain Menager
March 30, 2014 at 3:56 am

(9999-999)/9+999-9+9-9

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saad
December 8, 2012 at 6:21 pm

(9999/9999)+999+999-9

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theju
January 19, 2012 at 3:00 am

999+999-9+(9999/9999)

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- admin
  January 19, 2012 at 6:30 am
  
  YES.
  
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nirav
November 29, 2011 at 4:06 am

999+999-9+(9/9)+999-999=1990

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ciphur
November 9, 2009 at 9:44 pm

(9999/9)-(999/9)+(999-9)+(9-9)

Brackets don’t matter

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