- #1
Numeriprimi
- 138
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Hey!
I have got some question for you.
Decide if you can choose seven tops of the regular 19-gon and four of them are tops of trapezoid.
(I think - Pigeonhole principle, but how?)
I have got some question for you.
Decide if you can choose seven tops of the regular 19-gon and four of them are tops of trapezoid.
(I think - Pigeonhole principle, but how?)