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Attractive Tablecloths: Difference between revisions
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|title= Attractive Tablecloths | |title= Attractive Tablecloths | ||
|tagline= Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs? | |tagline= Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs? | ||
|image= | |image=NRICH900.jpg | ||
|content= | |content= | ||
|strategy= | |strategy= | ||
