Tisch
1. There are several copies for Party A, Party B and Party C respectively. If Party A gives Party B five books, Party C six books and Party A seven books, then they each have 20 books. How many books do each of these three people have?
Xiao Fang, Xiao Wang and Xiao Liu have 90 pictures. If Xiao Wang borrows 10 pictures from Xiao Fang, and then lends 8 pictures to Xiao Liu, the three people have exactly the same number of pictures. How many photos do each of these three people have?
3. Party A, Party B, Party C and Party D have 100 colored glass marbles, Party A gives Party B 13 marbles, Party B gives Party C 18 marbles, Party C gives Party D 16 marbles, and the number of four people is equal after Party D gives Party A 2 marbles. How many bullets do they each have?
4. Four children, A, B, C and D, have 100 pencils, A gives B 10 pencils, B gives C 8 pencils, C gives D 5 pencils, D gives A 6 pencils, and the number of pencils is equal. How many pencils do they each have?
5. 16 Sparrows stopped on two trees, and soon two sparrows flew from the second tree. Five sparrows flew from the first book and flew to the second tree. At this time, the number of sparrows on the two trees is just equal. How many sparrows are there in each of these two trees?
6. There is a batch of rice in the grain depot. For the first time, half of the total rice was shipped out of 3 tons, and for the second time, the remaining half was shipped out of 5 tons, leaving 4 tons. How many tons of raw rice is in the grain depot?
extreme
1, Party A, Party B and Party C have different amounts of money, and Party A has the most money. He gave some money to B and C, and B and C doubled their money. As a result, B had the most money. Then B gave A and C some money, and A and C doubled their money. As a result, C had the most money. Finally, C gave A and B some money, which doubled the money of A and B. As a result, the money of three people was the same. If the three of them had 8 1 yuan, how much did they have?
There are four people in the family. My father is three years older than my mother, and my sister is two years older than my brother. Four years ago, their family was 58 years old, and now they are 73 years old. Q: How old are you now?
3. There are three boxes, red, yellow and blue. Two boxes are empty. There is a ping-pong ball in one box. There is a sentence written on the lid of each box: "Ping-pong ball is not here". The yellow box says "table tennis is not here"; The blue box says "Ping-pong is in the red box"; However, only one sentence is true. Think about it: which box is the table tennis in?
4. A, B, C and D play table tennis. Every two people must play a game. As a result, A beat D, and A, B and C won as many games. How many games did Ding Sheng play?
5. Five people, A, B, C, D and E, participated in the table tennis singles competition. Every two people have to play a game, and only one game can be played. It is stipulated that the winner gets 2 points and the loser gets 0 points. Now we know that the result of the game is: A and B tied for first place, C tied for third place, and D and E tied for fourth place. How many points does C get?
Tisso
1. Dad bought some oranges. On the first day, the whole family ate more than half of these oranges, the next day they ate the remaining half, and the third day they ate the remaining half, leaving 1. How many oranges did dad buy?
2. A shopping center sells computers. More than half of the total 10 computers were sold in the morning, and more than half of the remaining 10 computers were sold in the afternoon, leaving 50 computers. How many computers are there in this shopping center?
Washing machines are sold in department stores. More than half of the total number of washing machines were sold in the morning, and more than half of the remaining 15 were sold in the afternoon, leaving 75 sets. How many washing machines are there in the shop?
There are 16 stamp collectors from different countries who want to exchange the latest stamps issued by each country by mail, so that everyone can have the latest stamps from this 16 country. How many letters should there be between this 16 person?
5. Each adult ticket for the museum is 5 yuan, and two adults can bring one child free of charge; 4 yuan per child ticket; Buy a group of five tickets, each ticket is in 3.8 yuan on average. Teacher Zhang from kindergarten showed four children around. When they met Mr. Wang and Mr. Li, they took five children with them. How to buy a ticket at the least cost, and how much?