23 reputation
6
bio website thcdusman.com
location Quanzhou, Fujian, China
age 17
visits member for 2 years, 1 month
seen Feb 13 '13 at 12:09

A senior high school student.


Jan
20
awarded  Supporter
Jan
20
comment A proof about Fibonacci number
But for $a,b\geq 2$, can it be right?
Jan
20
comment A proof about Fibonacci number
@tetori: Nice example, thanks.
Jan
20
asked A proof about Fibonacci number
Jan
20
awarded  Informed
Jan
20
awarded  Scholar
Jan
20
accepted How to prove $A^x\equiv A^{x\: \bmod\: \varphi (c)+\varphi (c)}(\bmod\: c)(x\geq \varphi (c))$?
Jan
19
comment How to prove $A^x\equiv A^{x\: \bmod\: \varphi (c)+\varphi (c)}(\bmod\: c)(x\geq \varphi (c))$?
Thanks a lot. Could you tell me how to understand $p^{k-1}(p-1)\geq k$?
Jan
19
revised Prove $\frac{a}{bc}+ \frac{b}{ca}+ \frac{c}{ab} \ge 1$
added 13 characters in body
Jan
19
revised Prove $\frac{a}{bc}+ \frac{b}{ca}+ \frac{c}{ab} \ge 1$
added 60 characters in body
Jan
19
answered Prove $\frac{a}{bc}+ \frac{b}{ca}+ \frac{c}{ab} \ge 1$
Jan
19
revised How to prove $A^x\equiv A^{x\: \bmod\: \varphi (c)+\varphi (c)}(\bmod\: c)(x\geq \varphi (c))$?
deleted 4 characters in body; edited title
Jan
19
revised How to prove $A^x\equiv A^{x\: \bmod\: \varphi (c)+\varphi (c)}(\bmod\: c)(x\geq \varphi (c))$?
added 40 characters in body
Jan
19
awarded  Student
Jan
19
awarded  Editor
Jan
19
revised How to prove $A^x\equiv A^{x\: \bmod\: \varphi (c)+\varphi (c)}(\bmod\: c)(x\geq \varphi (c))$?
added 2 characters in body
Jan
19
awarded  Autobiographer
Jan
19
asked How to prove $A^x\equiv A^{x\: \bmod\: \varphi (c)+\varphi (c)}(\bmod\: c)(x\geq \varphi (c))$?