by pantao
2007-9-1 1:55
Since Mason put forward his assertion, almost all the known largest prime numbers discovered are Mersenne primes. Therefore, the quest for new Mersenne primes ......
2007-8-31 20:48
Person A and Person B are enthusiastically playing a mathematical game. There are 52 cards in a deck. The two take turns drawing cards, with each person able t......
2007-8-31 20:45
Euclid said that there are infinitely many prime numbers. Due to some peculiar properties of prime numbers, they have always been a popular subject of study fo......
2007-8-31 20:43
Euclid said that there are infinitely many prime numbers. Due to some peculiar characteristics of prime numbers, they have always been a popular subject of stu......
2007-8-30 16:25
In 1930 and 1932, Einstein made two more trips to the United States. The first was just a working visit, but the second was because Princeton University offere......
2007-8-30 16:24
In 1976, the United States held celebrations for the 200th anniversary of its founding. On a blackboard in a primary school, there was an interesting problem w......
2007-8-30 16:24
The geography teacher said to the students: "The Earth is an ellipsoid, but with a small flattening rate, and in general calculations, it is often approximated......
2007-8-30 16:20
There are eight circles, each connected by straight lines to adjacent circles, as shown in the figure on the left. Now, the numbers 1 through 8 must be placed ......
2007-8-30 16:18
Topology is a profound branch of mathematics, but it is also very interesting. It is closely related to topics like knots, paper strips, and untangling wires. ......
2007-8-30 16:17
Professor Zhao from the Mathematics Department suddenly noticed her granddaughter, Xiaoyun, calculating in a strange way: she used her thumb to represent 1, in......
2007-8-30 16:17
Link our "One Book Project" website to your blog so that your family members and friends who care about you can also pay attention to the "One Book Project", c......
2007-8-23 15:35
Taoii's Blog: Mainly collects some interesting math problems, fun facts about mathematics, and mathematical methods, etc. The blog has only been established fo......
2007-8-23 11:10
The universe is vast, with countless meteorological phenomena and infinite mysteries. So, what exactly are the most basic "building blocks" of that magnificent......
2007-8-23 2:43
We know that the characteristics of integers being divisible by 2, 3, 4, 5, 8, 9, or 11 are easy to grasp. So, what kind of numbers can be divided by 7? This i......
2007-8-22 21:46
Here is an ancient problem: There is a large jar filled with 8 jin (a unit of weight) of oil. Additionally, there are two empty bottles; one can hold 5 jin and......
2007-8-22 20:40
A web page I learned about today from Stranger’s Blog™ is the web version of Ubuntu. This is just a simulation. There is only one "FireFox" browser inside, and......