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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

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Brain Teaser: Fill in the Blanks

Four words with the letters SNT, in that order, have all their other letters removed. You must use the letters below to fill in the blanks. _ _ S _ N T _ _ _ S _ _ N T S _ N _ _ T S _ _ _ N T Letters to use: A, A, E, E, E, I, I, L, L, Q, S, S, U, U

6 comments

  1. (9999-999)/9+999-9+9-9

  2. 999+999-9+(9999/9999)

  3. 999+999-9+(9/9)+999-999=1990

  4. (9999/9)-(999/9)+(999-9)+(9-9)

    Brackets don’t matter

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