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vineri, 31 ianuarie 2025

A Divisibility Problem That Catches Us in the Morning

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                It is Problem S:E24.359 from SGMB magazine (12/2024 at page 8), proposed for 8th grade, by a well-known author . In transla...
2 comentarii:
joi, 30 ianuarie 2025

Other divisibility relations of 1-forms

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               In post from April 9, 2020  I stated divisibility relations by 7 of some 1-forms. They are incomplete (even redundant), and s...

A Problem with the Year of Birth Inserted into It

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              About Problem S:E24.345 from the SGMB magazine 12/2024, proposed for the 7th grade. Authors Doina STOICA and Mircea_Mario ST...
vineri, 24 ianuarie 2025

E : 17 056 Everything is just zero

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           It is Problem E:17056 of GMB 11/2024, page 651, authors Dragoș PETRICĂ and Cosmin MANEA from Pitești. In translation:          ...
joi, 23 ianuarie 2025

Probably the HARDEST Geometry problem

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                "Consider $n$ angles around a point, any two of which have distinct                   measures. Expressed in degrees, t...
sâmbătă, 18 ianuarie 2025

Problem E : 17 052

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             In GMB 11/2024 page 650,  author Mihaela BERINDEANU , Bucharest, proposed for 8th grade. In translation: " Solve in $\ma...
vineri, 17 ianuarie 2025

'Neața NEAȚĂ !! again... Problem S:E24.314

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           Proposed for 8th grade by the same author; in SGMB 11/2024.      In translation:           " If $x$ and $y$ are nonzero ...