Ask a few logic questions and ask for detailed answers, and the answers searched online are a little

Here's what Gray and Thomas think, which may be wrong, but they're both free; Follow the prompts you gave, then.

Cacti and citrus have at least one that is not difficult to survive or grow, meaning at least one that is easy to survive or grow. In b, most of the area is hot and suitable for cacti to survive, which is in line with the theme and must be true; In the same way, c is also true; Although citrus cannot grow, it is not specified that cacti cannot survive, which is not necessarily false; d refers to the fact that some areas are neither cold nor wet, and it is easy to infer that other areas may have an eligible environment; Considering that most of the province accounts for 75 per cent of the total area of the province, the remaining 25 per cent of the environment may be suitable for both or co-existence. However, the fact that 50% of the area in A is not suitable for the two to survive together, which is contrary to the title and must be false.

This question is relatively simple. Robots A and B can do all the recognition work, while C can do it or not, so A and B may be true; The meanings of c and d are not much different, and it is impossible to determine which robots they have or whether they need to do recognition experiments in the conditions, which may also be true; Only e, pointing out that half of the laboratories do not need to recognize colors, which is similar to the previous question, and the condition points out that most laboratories have to do experiments to identify colors and shapes, and the answers are contrary to the meaning of the question and are false.

This is a very good paradox, and it may be a bit complicated.

If Lee knew whether the king would be transferred, then Lee would have to be transferred. There are two situations in which the king is transferred and not transferred

1) If the king is transferred, then the king knows whether Lee is transferred or not:

a) If Lee is transferred, it means that Lee knows whether Wang is transferred.

And then it comes back to the above"There are two situations in which the king is transferred and not transferred

b) If Lee does not transfer, then Lee does not know whether the king is transferred, which is contrary to the assumption that Lee knows whether the king is transferred.

2) If the king does not transfer, then the king does not know whether Lee is transferred, then Lee may or may not be transferred, and finally goes back to a) and b) in 1).

Obviously, Li could not know whether the king was transferred and the king also.

You can't know if Lee is transferred, otherwise you will fall into the abyss mentioned above, and you can choose A

Question 1: Cacti [x1] are difficult to survive in humid climates; Citrus [y1] is difficult to grow in cold climates. 【a1】

Cacti and citrus have at least one that is not difficult to survive or grow. 【a2】

x1 y1 -- or.

a.Half of the province is both wet and cold (if this option is true, A2 cannot be satisfied).

Regardless of whether the topic is involved or not, the conditions for explanation can meet A2.

Question 2. A does not recognize colors, B does not recognize shapes, and C does not recognize neither colors nor shapes. 【b1】

Most of the laboratories of the Institute of Intelligence do experiments to recognize colors [x2] and shapes [y2]. 【b2】

x2 y2 --with.

e.Half of the labs have only robots A and C. [This option is true, then B1 and B2 contradict each other].

Several other items are either true or unstated.

Subject: The second question stem only says that A can't recognize colors, B can't recognize shapes, and doesn't say that A can recognize shapes and B can recognize colors].

Supplement] The second question stem does not explain what the robot can do, but it shows that what it cannot do can also be judged. Judgments based on the question stem can only be based on the information given and the information derived from the logical deduction based on the given information. For example, if the question only says what a person will not do, it can be assumed that he or she can do everything until there is more information about what he or she can do"He won't do it"of things.

Question 3. The editor-in-chief decided: Without the consent of Da Li and Xiao Wang themselves, the two will not be transferred [C1].

Da Li told the editor-in-chief: "I don't agree to the transfer, unless I know whether Xiao Wang is transferred." 【c2】

Xiao Wang said: "Unless I know whether Da Li is transferred, I will not agree to the transfer." 【c3】

a.Neither of them is likely to be transferred. [Under the premise of C1, Da Li and Xiao Wang in C2 and C3 make decisions based on the premise that the other party makes a decision first, so there will be no result (transfer) between the two of them. 】

Lee's point of view: Just because no one sees the snowman doesn't prove that the snowman doesn't exist. Rebutting Lee's argument is:

If you don't see it, you can prove that the snowman doesn't exist. Convert to Chen's example: as long as there is no record, it can be concluded that there is no ** exchange.

e means that as long as there is a dealing, it is very likely to be recorded. In other words, there is no correspondence without records. And the first half of the sentence of e is also clear:

It is true that there is no record.

What Researcher Li means is: what you see is not necessarily true, and what you don't see is not necessarily false!

Identify a question first:

The waiter's hand and the boss's money is a part (all paid by three people, right), that is, 25 + 2 = 27 Second: after each of the three people paid 10 yuan, they were each returned 1 yuan, which is 10-1 = 9 (this is the money that everyone actually paid).

Each person pays 9 yuan, so 3 * 9 = 27 (this is the total amount paid by three people) To sum up: 27 = 27 So there is no problem, it's just a vague concept, as long as you figure out "pay" and.

to be paid".

Second question.

At the beginning, the green onion was sold as a whole, so the unit price of both green onion and green onion was 1 yuan, right, and after it arrived, the unit price of green onion was yuan The unit price of green onion was yuan, which can be seen: The unit price of green onion white and green onion green fell by yuan and yuan respectively, so it is equal to the cheap price** Of course, there will be less money ps: The unit price of the product is not a simple addition or subtraction

The third question.

If you climb to the edge of the well, then it will be 5 days, and don't forget that it will climb 3 meters during the day, which means that the snail will climb 3 meters on the nth day.

That is, before the slide at night) will be 2 meters higher than the position it was after the slide of 2 meters that day (this is very important), and climb a total of 1 meter a day, so 7=n+2 can be known as n=5

1，9*3-2=25

2. The green onion white should be sold for 1 piece of 4 cents, and the green onion should be sold for 6 cents.

3, 5 days, climb out and will not fall again.

4, 1 yuan to buy 10 peaches, 9 peach hu for 3 peaches, 3 peach hu for 1 peach, 2 peach hu and then borrow a peach to have 3 peach hu, just return the 3 peach hu to him.

5. Divide the 12 balls into 3 portions, 4 each, weigh for the first time, and place two of them on the scale. If the left sinks, then take out the left 1 and the right 2, and then change the left and right 1 respectively, it is best to make up for the problem, so that the left and right are 4, at this time it is called the second time. If the left sinks, weigh the left side that has not been moved, and which side sinks is which heavy; If the right side sinks, take one of the two to replace it and call it no problem, sinking is heavy, and lifting is light; If it is balanced, it is weighed by the two taken out from the right, which side is lifted is light, and the balance is the weight taken out from the left, which is the third time.

Do the same thing for the rest of the case.

6,467 roots.

7. One sentence can be done.

I'll look at the first question first:

This topic is the use of this trick. The more you think about 3 9 = 27, the more you can't figure it out.

You can analyze:1, ten dollars per person. $30 in total.

2. Find 5 yuan. That's the three of them, and they have 25 pieces there.

You think, 25 pieces + 2 pieces hidden by the waiter + 3 pieces = 30 pieces for them This topic is a complete set. Do it with a different mindset.

This is what our math teacher did for us. Hope it helps.