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A problem for more mature students:

https://www.theguardian.com/science/2017...5-year-old
Is there a collection of the weekly problems from the Guardian? That would be interesting.
Did you try this link: Alex Bellos's Monday puzzle?
There is also this one from the New York Times: Numberplay.
(10-23-2017 11:23 AM)Didier Lachieze Wrote: [ -> ]Did you try this link: Alex Bellos's Monday puzzle?
There is also this one from the New York Times: Numberplay.

Nice, thanks!
(10-23-2017 09:45 AM)Gerald H Wrote: [ -> ]A problem for more mature students:

https://www.theguardian.com/science/2017...5-year-old

Probably they were only trying to be funny, but the caption to the picture that illustrates the Guardian's article is very disparaging.
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