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Math Forum » Discussions » Math Topics » Snark

Topic: [Snark] Tronco
Replies: 7   Last Post: Mar 22, 2013 7:49 AM

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emilio martin

Posts: 136
Registered: 10/6/07
[Snark] Tronco
Posted: Mar 21, 2013 12:04 PM
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att1.html (0.5 K)

Un problemita que ha salido en la prueba Cangur 2013 :

Un tractor arrastra un tronco a una velocidad constante. Si camino a
velocidad constante en dirección contraria al tractor, cuento 20 pasos
desde un extremo hasta el otro del tronco. Si camino en la misma dirección
que el tractor y el tronco, recorro 140 pasos desde un extremo al otro del
tronco. ¿Cuánto mide el tronco? (Se puede suponer que cada paso es 1m.)

Un saludo,
Emilio
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