rec.puzzles Archive

Reconstruct this long division, where most of the digits are represented with asterisks and a few sevens...

arithmetic/digits/sevens.long.division New, unsolved

New entry, edited from material collected for the archive and not yet in a released version.

Problem

Reconstruct this long division, where most of the digits are
represented with asterisks and a few sevens are given.

I warned you, this one is not for the faint-hearted, but it does have a
solution.

The following is a long division, where most of the numbers are
represented with asterisks.  A few sevens are thrown in to make it
solvable, although I haven't seen anyone who could solve it, without
looking it up in the back of the book.

Here goes, I hope I don't make any typos.

                           * * * 7 * * * * * *
               ________________________________
* * * * 7 * * |* * * * * * 7 * * * * * * * * *
               * * * * * * *
               ---------------
               * * * * * * * *
               * * * * * * * *
               ---------------
                 * * * * * * * *
                   * * * * * * *
                   -------------
                     * * * * * * *
                     * * * * * * *
                     -------------
                     * * * * * * 7 *
                       * * * 7 * * *
                       -------------
                       * * * * * * * *
                       * * * * * * * *
                       ---------------
                         * * * * * * * *
                           * * * * * * *
                           -------------
                               * 7 * * * * *
                               * * 7 * * * *
                               -------------
                                 * * * * * * *
                                 * * * * * * *
                                 -------------
                                             *

-- Walter Prager <wprager@Newbridge.COM>, June 1995

[ Editor: see also arithmetic/digits/seven.sevens. ]
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