- 相關(guān)推薦
解讀如何提高SAT閱讀水平
There are many unsolved problems in mathematics. Some prominent outstanding unsolved problems include
1. The Goldbach conjecture.
2. The Riemann hypothesis.
3. The conjecture that there exists a Hadamard matrix for every positive multiple of 4.
4. The twin prime conjecture .
5. Determination of whether NP-problems are actually P-problems.
6. The Collatz problem.
7. Proof that the 196-algorithm does not terminate when applied to the number 196.
8. Proof that 10 is a solitary number.
9. Finding a formula for the probability that two elements chosen at random generate the symmetric group .
10. Solving the happy end problem for arbitrary .
11. Finding an Euler brick whose space diagonal is also an integer.
12. Proving which numbers can be represented as a sum of three or four cubic numbers.
13. Lehmers Mahler measure problem and Lehmers totient problem on the existence of composite numbers such that , where is the totient function.
【解讀如何提高SAT閱讀水平】相關(guān)文章：
如何提高孩子英語閱讀的水平07-06
如何提高SAT成績(jī)07-14
提高SAT閱讀的五個(gè)方法09-27
如何提高俄語的聽力水平06-26
如何提高演講與口才水平01-26
SAT閱讀詞匯如何從量到質(zhì)？07-25
如何高效完成SAT閱讀題09-15
SAT閱讀740分是如何煉成的10-17
如何提高提高中層管理水平01-19
