Third twenty in twenty – Mathematics is worthwhile
One worn out argument that is often aimed at mathematics is ‘I will never use it, so what’s the point?’. Indeed, on face value, the argument has value.
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Everything is open for discussion…
Mathematics
Missing convention?
In this clip from years ago, (SPOILER ALERT…) Presh explains how sticking to the ‘operations order’ determines the correct answer to be 9. I was quite shocked at this result.
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The Lost Boarding Pass puzzle
The puzzle: One hundred passengers are about to board a plane. The first passenger lost his boarding pass and decides
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