Petru iese din bloc si isi continua grabit drumul. Vede o toneta cu clatite si se apropie sa cumpere – sunt clatitele sale preferate.

 

B. Clatite (5%)

Petru comanda 3 clatite. Clatitele sunt deja pregatite, insa fiecare clatita trebuie incalzita pe fiecare dintre cele 2 parti cate 1 minut. Exista numai 2 tavi pentru clatite, care pot fi folosite simultan. Care este timpul minim de incalzire al celor 3 clatite? Cum procedeaza bucatarul?

Sursa: adaptare (dupa o sursa necunoscuta)

 

Peter leaves the building and continue his way. He sees a pancake stall and approaches to buy some pancakes – these are his favorite pancakes!

 

B. Pancakes (5%)

Peter orders 3 pancakes. The pancakes are already prepared, but each one must be heated on each of its two parts for 1 minute. There are only two trays for pancakes, which can be used simultaneously. What is the minimum time for heating the 3 pancakes? What does the cook do?

Sursa: adaptation (unknown source)

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