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royal1534's Content

There have been 74 items by royal1534 (Search limited from 04-06-2020)

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$5(x^{3}+y^{3}+z^{3})+... in Bất đẳng thức và cực trị Started by royal1534, 05-10-2015	1 reply 430 views	TARGET 22-07-2022
$\frac{x^{2}-z^{2}... in Bất đẳng thức và cực trị Started by royal1534, 10-10-2015	5 replies 707 views	KietLW9 07-05-2021
$x^2+y^2+z^2=p.t$ in Số học Started by royal1534, 08-01-2017	3 replies 1095 views	ngocanh69 13-09-2018
$a^n+2^n \mid b^n+c$ in Số học Started by royal1534, 12-10-2017	1 reply 770 views	I Love MC 19-10-2017
$2^x+7^y=3^z$ in Số học Started by royal1534, 26-12-2016	0 replies 537 views	royal1534 26-12-2016
Chứng minh $X,Y,Z,T$ đồng viên in Hình học Started by royal1534, 24-11-2016	0 replies 422 views	royal1534 24-11-2016
Chứng minh ba đường tròn $(ABC)$,$(CDF)... in Hình học Started by royal1534, 14-11-2016	1 reply 287 views	anhquannbk 14-11-2016
Cần xử lí thành viên này. in Xử lí vi phạm - Tranh chấp - Khiếu nại Started by royal1534, 13-10-2016	0 replies 877 views	royal1534 13-10-2016
Chứng minh $(DBC)$ tiếp xúc $(AMN)$ in Hình học Started by royal1534, 05-10-2016	1 reply 522 views	baopbc 05-10-2016
$I$ là tâm đường tròn nội tiếp tam giác $A... in Hình học Started by royal1534, 06-09-2016	2 replies 457 views	superpower 07-09-2016
$p^3-2p^2+p+1=3^n$ in Số học Started by royal1534, 15-08-2016	4 replies 1518 views	Dark Repulsor 16-08-2016
Chứng minh $S_{k}$ đồng dư $0... in Số học Started by royal1534, 08-08-2016	1 reply 339 views	Zaraki 12-08-2016
Tìm số nguyên dương n sao cho n chia hết cho mọi số nguyê... in Số học Started by royal1534, 04-08-2016	1 reply 653 views	Hai2003 04-08-2016
$Max P= \frac{1}{2x^2+z}+... in Bất đẳng thức và cực trị Started by royal1534, 26-07-2016	0 replies 295 views	royal1534 26-07-2016
$ma^2+nb^2+pab=\frac{4mn-p^2}{4(m+n+p)}(a-b)^2.... in Đại số Started by royal1534, 27-04-2016	1 reply 477 views	NTA1907 28-04-2016
$\left\{\begin{matrix}... in Phương trình, hệ phương trình và bất phương trình Started by royal1534, 22-04-2016	0 replies 419 views	royal1534 22-04-2016
$14(a^2+b^2+c^2)+\frac{ab+bc+ca}... in Bất đẳng thức và cực trị Started by royal1534, 31-03-2016	2 replies 347 views	PlanBbyFESN 31-03-2016
Chứng minh $a^2+b^2+c^2 \leq 3abc$ in Bất đẳng thức và cực trị Started by royal1534, 22-03-2016	2 replies 566 views	HoangVienDuy 22-03-2016
Đề Thi HSG Thành Phố Đà Nẵng 2015-2016 in Tài liệu - Đề thi Started by royal1534, 18-03-2016	3 replies 6383 views	hangdiemdieuhoa1999 18-03-2016
$x^y+y^x+300=z$ in Số học Started by royal1534, 15-03-2016	2 replies 544 views	Element hero Neos 15-03-2016
$\sum \frac{c(a^2+b^2)}{a^2... in Bất đẳng thức và cực trị Started by royal1534, 10-02-2016	2 replies 273 views	royal1534 10-02-2016
$\sum \frac{ab}{\sqrt... in Bất đẳng thức và cực trị Started by royal1534, 03-02-2016	1 reply 310 views	Chris yang 04-02-2016
Tìm $MinP=(a+b)(b+c)(c+a)+\frac{1}... in Bất đẳng thức và cực trị Started by royal1534, 11-01-2016	1 reply 249 views	quoccuonglqd 11-01-2016
$\sum \frac{a^{2}+b^{2... in Bất đẳng thức và cực trị Started by royal1534, 28-12-2015	2 replies 353 views	quoccuonglqd 29-12-2015
$\sum \frac{a^{2}}... in Bất đẳng thức và cực trị Started by royal1534, 30-10-2015	8 replies 797 views	Trung Kenneth 23-12-2015

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