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nguyentrungphuc26041999's Content

There have been 39 items by nguyentrungphuc26041999 (Search limited from 21-05-2020)

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CMR $a^{2}+b^{2}+\left (... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 17-10-2013	4 replies 516 views	KietLW9 28-04-2021
$n^{13}+n^{5}+1$ in Số học Started by nguyentrungphuc26041999, 04-06-2017 số nguyên tố	4 replies 891 views	Tea Coffee 04-06-2017
$\left ( m^{n}-1 \right )\v... in Số học Started by nguyentrungphuc26041999, 22-08-2016	0 replies 492 views	nguyentrungphuc26041999 22-08-2016
a,$\sqrt{4x+1}-\sqrt{3x-2... in Phương trình, hệ phương trình và bất phương trình Started by nguyentrungphuc26041999, 27-08-2013	3 replies 3924 views	tranwhy 14-04-2016
$\left\{\begin{matrix}... in Phương trình, hệ phương trình và bất phương trình Started by nguyentrungphuc26041999, 14-12-2014	2 replies 478 views	nguyentrungphuc26041999 14-12-2014
$\left ( x^{4}+1 \right )\l... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 11-02-2014	2 replies 464 views	yeutoan2604 13-02-2014
$\left ( x^{4}+1 \right )\l... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 19-01-2014	1 reply 240 views	Phuong Thu Quoc 19-01-2014
Đề thi HSG thành phố vinh vòng 1 in Tài liệu - Đề thi Started by nguyentrungphuc26041999, 10-12-2013	12 replies 746 views	canhhoang30011999 11-12-2013
$ab+bc+ca-3abc$ in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 28-11-2013	3 replies 2102 views	Hoang Tung 126 29-11-2013
$x\left ( x+1 \right )+\frac{1... in Phương trình, hệ phương trình và bất phương trình Started by nguyentrungphuc26041999, 28-11-2013	1 reply 215 views	Zaraki 28-11-2013
$\left\{\begin{matrix}... in Phương trình, hệ phương trình và bất phương trình Started by nguyentrungphuc26041999, 28-11-2013	1 reply 470 views	mathlike8 28-11-2013
Cho tam giác $ABC$ có góc $A$ vuông in Hình học Started by nguyentrungphuc26041999, 24-11-2013	1 reply 213 views	letankhang 24-11-2013
$\frac{1}{x}+\frac... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 23-11-2013	1 reply 252 views	canhhoang30011999 23-11-2013
$\sum \frac{1}{x^{2... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 23-11-2013	1 reply 231 views	Zaraki 23-11-2013
Tìm MAX của $M=\frac{1}{x}+... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 19-11-2013	1 reply 213 views	Rias Gremory 19-11-2013
$5\left ( \sqrt{x+1}+\sqrt... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 19-11-2013	0 replies 187 views	nguyentrungphuc26041999 19-11-2013
Cho góc $\alpha$ chứng minh $2sin.cos... in Hình học Started by nguyentrungphuc26041999, 20-10-2013	2 replies 582 views	Near Ryuzaki 20-10-2013
Cho a,b,c là 3 cạnh 1 tam giác CMR $a^{3}+b^{3}+c^{... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 18-10-2013	2 replies 263 views	laiducthang98 18-10-2013
$4\sqrt{x+2}+\sqrt{22-3x... in Phương trình, hệ phương trình và bất phương trình Started by nguyentrungphuc26041999, 09-10-2013	1 reply 183 views	linhlun97 09-10-2013
$\left ( a^{2}+1 \right )\l... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 09-10-2013	1 reply 137 views	canhhoang30011999 09-10-2013
CMR $\frac{ab+1}{a+b}+... in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 09-10-2013	2 replies 198 views	neversaynever99 09-10-2013
$a^{3}+b^{3}+c^{3}$ in Bất đẳng thức và cực trị Started by nguyentrungphuc26041999, 09-10-2013	1 reply 315 views	linhlun97 09-10-2013
$1000a+111b=m^{2}$ in Số học Started by nguyentrungphuc26041999, 01-10-2013	5 replies 440 views	Tran Nguyen Lan 1107 02-10-2013
$\frac{a^{2}}{a+b... in Đại số Started by nguyentrungphuc26041999, 01-10-2013	4 replies 244 views	nguyentrungphuc26041999 01-10-2013
$13x^{2}+2=y^{2}$ in Số học Started by nguyentrungphuc26041999, 12-09-2013	7 replies 507 views	Trang Luong 12-09-2013

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