Suppose Congcong collected x stamps and Xiaoxiao collected y stamps.
According to the conditions in the question, the following two equations can be listed:
x + y = 171 (171 stamps collected)
x = 4y (1/4 of Congcong's stamps is equal to 1/5 of Xiaoxiao's stamp collection)
Substituting x from the first equation into the second equation gives:
4y + y = 171
5y = 171
y = 342
Substituting y = 342 into the first equation gives:
x + 342 = 171
x = 1378
Therefore, Congcong collected 1378 stamps and Xiaoxiao collected 342 stamps.
In 2024, China Post would issue several sets of stamps. This set of stamps included two special stamps with a face value of 1.20 yuan and a small promissory note with a selling price of 16 yuan. In addition, there were special stamps of China's shipbuilding industry (II). This set of stamps included four stamps with a face value of 4.80 yuan. Other specific stamp distribution plans and topics had not been provided yet.
Detective novels are a genre of literature that usually focuses on the detective's reasoning process. Since detective novels were often related to historical events and social hot topics, there were also some stamps related to detective novels.
Here are some stamps with detective stories as the theme:
1 Conan Doyle series of stamps: Conan Doyle was a famous British detective novelist. His series of Sherlock Holmes was very popular around the world. In 1954, the British government issued a series of stamps to commemorate the detective novelist.
2. Jim Carrey Stamp Series: Jim Carrey is a famous American comedy actor. His series, Sherlock Holmes, is also loved by readers all over the world. In 1996, the British government issued a series of stamps to commemorate the comic actor and detective novel lover.
Sherlock Holmes series of stamps: The British government issued the Sherlock Holmes series of stamps in 1959, which included many pictures related to Sherlock Holmes.
4. Harry Potter Stamp Series: Harry Potter is a British author whose series, Harry Potter and the Sorcerer's Stone, is very popular around the world. In 2007, the British government issued a series of Harry Potter stamps to commemorate him.
5. Doctor Who stamp series: Doctor Who is a famous British science fiction. His series, Doctor Who, is very popular around the world. In 2005, the British government issued a series of stamps to commemorate the Doctor Who.
These stamps all reflected the elements of detective novels and mystery novels, including characters, story plots, locations, and so on. These stamps were also widely used as collectibles to showcase the influence of the United Kingdom in the field of culture and art.
Xiaoling and Xiaojun were both collecting stamps. After Xiaoling gave Xiaojun eight stamps, they both had the same number of stamps. Xiaoling's original number of stamps remained unchanged. This was because the face value of the stamp multiplied by the number of stamps was equal to the total number of stamps. After Xiaoling gave Xiaojun 8 stamps, the total number of stamps was the same for both of them, so Xiaoling's original number of stamps remained unchanged.
Suppose that Xiaoling's original number of stamps was x, and Xiaojun's original number of stamps was y.
According to the meaning of the question, after Xiao Ling gave Xiao Jun 8 stamps, the number of stamps between the two of them was the same. The following equation could be listed:
x + 8 = y
And because Xiaoling gave Xiaojun 8 stamps, the two of them had the same number of stamps, so the following equation could be listed:
x - 8 = y - 8
Adding 8 to x in the first equation gives:
x + 8 = x + 8 + 8
After the reduction, it was obtained:
2x = 16
Solve the equation:
x = 8
Substituting x = 8 into the first equation gives:
8 + 8 = y
Solve the equation:
y = 6
Therefore, Xiaoling's original number of stamps was 8, and Xiaojun's original number of stamps was 6.
Therefore, Xiaoling's original stamps were 8 - 6 = 2 more than Xiaojun's.
Stamps can potentially influence the value of comics. For instance, if the stamps are autographed by the comic's creator or related to a special comic event, it could make the comic more valuable. However, in most cases, the comic's condition and rarity are more crucial factors.
Assuming Beibei has x stamps, Lele has x-18 stamps.
According to the meaning of the question, after Lele gave Beibei 146 stamps, the number of stamps that Lele had was x-18+146, which was x-17.
Therefore, we can get the equation:x-17 = x-18+146.
If the equation was simplified to 2x-34 = 146, then x = 69.
Therefore, Bei Bei had 69 stamps and Le Le had 69-18=51 stamps.
Therefore, Lele had 51-69=-18 stamps more than Beibei.