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Monday, 27 april 2015 |
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Ceasul din turn |
Proposed by
Gabi |
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| (7 comments) | 3.603 times displayed |
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In turnul unei biserici exista un ceas care batea orele.
Intre bataile ceasului era acelasi interval. La ora cinci ceasul batea de cinci ori, intr-un interval de cinci secunde. In cate secunde batea ceasul de 9 ori? |
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Daca la ora 5 batea de cinci ori in 5 secunde, inseamna ca intre batai sunt 4 intervale de 1,25 secunde. La ora 9 sunt noua batai, deci opt intervale de 1,25 secunde. Deci la ora 9 ceasul da ora exacta in 10 secunde. |
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Tags:
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problema zilei,
probleme de matematica,
amuzante,
matematica amuzanta,
ceas,
turn
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