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Thursday, 7 may 2015 |
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Pe scara rulanta |
Proposed by
Gabi |
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| (7 comments) | 3.690 times displayed |
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Doua scari rulante merg in paralel una langa alta. Una urca si alta coboara si fiecare au cate 100 de trepte. Cate o persoana sta pe fiecare treapta si intotdeauna scarile sunt pline. Daca un om paseste pe prima treapta a scarii rulante care urca, cate persoane trec pe langa el pana ajunge la finalul scarii ? |
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Daca cealalta scara, nu s-ar misca, ar trece pe langa 100 de trepte (oameni), dar fiinca se misca la fel de repede, mai adaugam 100.
Raspunsul corect, asadar: 200. |
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Tags:
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problema zilei,
probleme de matematica,
amuzante,
matematica amuzanta,
scara rulanta
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