On the green grassland, the front of Wolfsburg is very lively. It turns out that Hongtailang's Pan monopoly has been opened!
Red Taro and Big Big Wolf are happy to push sales. The wolf shook the pot and shouted, "The pot can hold two cakes at a time, and both sides of the cakes should be fried for 3 minutes. Whoever can fry three cakes in 10 minutes will get a pan for free. " "Let me do it!" Walk to the console with joy and confidence. He first put two cakes A and B in the pot for 3 minutes, turned the A cake upside down, and at the same time took out the B cake and put it in the C cake ... fried it for another 3 minutes, took out the A cake, put it on the other side of the B cake, and turned the C cake upside down. In this way, all three cakes were fried and took 3 minutes.
Cang Lang completely dumbfounded, but unwilling. He played hooligans: "This doesn't count! If you can fry 15 cakes in the shortest time, I will send them! "
"If the fried cake is even, it can be fried into two pieces; If the number of fried cakes is odd and there are more than three, two can be fried first, and the remaining three can be fried as before, so that the cakes can be fried in the shortest time. Therefore, frying 15 cake needs (15-3) ÷ 2× 6+9 = 45 (points). " Jubilance concluded, "In fact, if you put two cakes at a time, the time spent on both sides is equal, and the total time = the time spent on frying one side × the number of cakes."
In front of many small animals, Grey Wolf couldn't cheat any more, so he had to give Xiyangyang a pot.