This movie is divided into two parts. One is an interesting math puzzle. It's hard to imagine how you can have fun in a movie theater. There is no time to think about the questions...The
other part is who the killer is and why? This is not very fun, cliché!
Sort out the interesting puzzles, and I am proud to make them all, keep them... and
start to say in the car: people, sheep, wolves, cabbage cross the river, people can only bring one thing at a time, how can we do it? Let sheep not eat vegetables, and wolves do not eat sheep?
PS: The ability to fly and stealth, which one do you want?
1. There are three boxes, each of which contains star anise, mint, and mixed sugar. Unfortunately, the labels are all wrong. How many candies must be taken out to determine what is in each of the three boxes?
2. A student asked the teacher how old your three daughters were. The teacher said: Multiplying their three ages is equal to 36. If you add their ages together, you can get your house number. The student said: I missed one. The details were not asked, the teacher said: Yes, only my eldest daughter can play the piano. How old are the three daughters?
3. In a sealed room, there is a light bulb, and there are three switches outside the door. Only one switch is effective. When the door is closed, you can switch at will. When the door is open, you must judge which switch is effective and how to judge.
4. There are two hourglasses, one takes four minutes and the other seven minutes. How to confirm the nine-minute time?
5. People in the kingdom of truth only tell the truth, and those in the kingdom of error only tell lies. You come to two doors, guarded by people from these two countries, and only one is leading to freedom. You don’t know which one of them comes from the kingdom of truth and the other from the kingdom of error, but you can only ask one question, what do you have to ask to ensure that you can find the door of freedom correctly?
6. Mom is 21 years older than her son, and six more He will be five times younger than his mother in 2009, ask what father is doing at this time?
Attachment: Goldbach’s conjecture:
(a) Any even number ≥ 6 can be expressed as the sum of two odd prime numbers.
(b) Any odd number ≥9 can be expressed as the sum of three odd prime numbers.
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