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Results tagged with word-problem
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user 9517
A mathematical puzzle that's stated in words, usually in terms of a story or a situation that dresses the problem up.
2
votes
Obi-Wan vs Grievous
the trick is in these two lines:
$$x(x−4)=x−4$$
$$x=1$$
$x(x−4)=x−4$ is a second degree equation which has for solutions $x=1$ OR $4$
You cant deduce directly $x=1$ without a specific reason this i …
- 1,004