How many grains fill the chessboard?
The fields in a chessboard be filled as follows: In the first field, a grain, in the second field two grains, on the third field four grains, always twice the number of the previous panel. How many grains eventually fill all 64 boxes of chessboards?
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kreativbox 16:07 am November 18, 2008 Permalink |
gerade den film erneut angeschaut. immer wieder ein augenschmaus. schaue mal rein.