We will here consider the question of those boards that contain an odd number of squares. We will suppose that the central square is first cut out, so as to leave an even number of squares for division. Now, it is obvious that a square three by three... Read more of BOARDS WITH AN ODD NUMBER OF SQUARES. at Math Puzzle.caInformational Site Network Informational


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298. A Useful Article in the Kitchen

A useful article in the kitchen is
a small microscope. Show the cook how to use one. She will be so horrified
if shown dates, prunes, or figs that are germ infested that she will take
special pains in washing them. The microscope is also useful to examine
cereals, cornmeal, buckwheat and other things which unless kept tight may
be unpleasantly infected.

Next: 299. To Restore Freshness to Vegetables

Previous: 297. Less Noise in Washing Dishes

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