Von: reid@math.brown.edu
Gesendet: Samstag, 16. Oktober 1999 02:20
An: math-fun@optima.CS.Arizona.EDU
Betreff: postpuzzle (spoiler)

> Postpuzzle:  bisect into congruent halves a 9x7 rectangle which has
> lost a 2x1 rectangle from one corner and a 1x1 from the opposite
> corner.
>
>         x x x x x x x 
>     x x x x x x x x x 
>     x x x x x x x x x 
>     x x x x x x x x x 
>     x x x x x x x x x 
>     x x x x x x x x x 
>     x x x x x x x x

spoiler below



      +--+--+--+--+--+--+--+
      |  |                 |
+--+--+  +                 +
|        |                 |
+     +--+  +--+           +
|     |     |  |           |
+     +--+--+  +           +
|              |           |
+           +--+  +--+     +
|           |     |  |     |
+           +--+--+  +     +
|                    |     |
+                 +--+  +--+
|                 |     |
+--+--+--+--+--+--+--+--+

mike