| ანა | თარიღი: ხუთშაბათი, 2008-10-02, 5:41 PM | შეტყობინება # 1 |
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| A 8x8 square on the plane divided into 64 squares 1x1must be covered by 64 black and 64 white isosceles triangles (each square must be covered by two triangles). A covering is "fine" if any two neighboring (having a common side) triangles are of different colors. How many different "fine" colorings are there?
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