I made a nozzle yesterday from lotus flowers and this was the doodle that then happened. I was playing the marbling feature. So much to play with!
BrainTwister #45: Square differences
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From New Scientist #3516, 9th November 2024 [link] The number 9 can be
written as a difference of two squares as 3^2 – 0^2 = 9 – 0 = 9. (a) Can
you find a ...
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