Posted by **Heidi** on Wednesday, July 13, 2005 at 7:55am.

Does any one know how to work out the formula for any size step-stair on a 10 by 10 grid

yer mum on toast

- Step-Stair investigation -
**fhfhne**, Monday, August 25, 2014 at 4:46pm
htyzy

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