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You have to put in + and - signs in the blanks, so that in the end it will all equal 1.

Also, if possible, try to make expressions resulting in 0 and -1.

When it says 'You have to put in + and -signs in the blanks, ...', I assume that you 'have to' put in + and - signs in the blanks.

Posted by Sanjay on 2003-05-21 22:12:17