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royal1534's Content

There have been 74 items by royal1534 (Search limited from 30-05-2020)

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Chứng minh H,G,O thẳng hàng in Hình học Started by royal1534, 22-07-2015	1 reply 6788 views	NhatTruong2405 22-07-2015
Đề Thi HSG Thành Phố Đà Nẵng 2015-2016 in Tài liệu - Đề thi Started by royal1534, 18-03-2016	3 replies 6379 views	hangdiemdieuhoa1999 18-03-2016
Chứng Minh:$\frac{25a}{b+c}... in Bất đẳng thức và cực trị Started by royal1534, 12-07-2015	6 replies 2013 views	Hoang Nhat Tuan 12-07-2015
$p^3-2p^2+p+1=3^n$ in Số học Started by royal1534, 15-08-2016	4 replies 1515 views	Dark Repulsor 16-08-2016
$\sum \frac{b+1}{a+b+1... in Bất đẳng thức và cực trị Started by royal1534, 28-10-2015 1 2	27 replies 1411 views	royal1534 30-10-2015
Giải phương trình:9$\sqrt{x+1}$... in Phương trình, hệ phương trình và bất phương trình Started by royal1534, 12-07-2015	4 replies 1162 views	NhatTruong2405 13-07-2015
$x^2+y^2+z^2=p.t$ in Số học Started by royal1534, 08-01-2017	3 replies 1094 views	ngocanh69 13-09-2018
Hỏi về ĐKXĐ (của phân số và căn thức) in Kinh nghiệm học toán Started by royal1534, 25-07-2015	2 replies 1032 views	ThinhSenpai 12-08-2015
Cần xử lí thành viên này. in Xử lí vi phạm - Tranh chấp - Khiếu nại Started by royal1534, 13-10-2016	0 replies 874 views	royal1534 13-10-2016
$\sum\frac{a^{3}}... in Bất đẳng thức và cực trị Started by royal1534, 11-09-2015	5 replies 819 views	hoctrocuaHolmes 12-09-2015
$\sum \frac{a^{2}}... in Bất đẳng thức và cực trị Started by royal1534, 30-10-2015	8 replies 794 views	Trung Kenneth 23-12-2015
$a^n+2^n \mid b^n+c$ in Số học Started by royal1534, 12-10-2017	1 reply 767 views	I Love MC 19-10-2017
$\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
Chứng minh: $\frac{a}{a^{2... in Bất đẳng thức và cực trị Started by royal1534, 28-08-2015	3 replies 679 views	royal1534 28-08-2015
$\frac{3}{2a}+\frac... in Bất đẳng thức và cực trị Started by royal1534, 30-07-2015	5 replies 664 views	Trang Luong 31-07-2015
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
$\left\{\begin{matrix}... in Phương trình, hệ phương trình và bất phương trình Started by royal1534, 14-07-2015	4 replies 647 views	royal1534 18-07-2015
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
$x^y+y^x+300=z$ in Số học Started by royal1534, 15-03-2016	2 replies 543 views	Element hero Neos 15-03-2016
$2^x+7^y=3^z$ in Số học Started by royal1534, 26-12-2016	0 replies 536 views	royal1534 26-12-2016
$2(a^{2}b+b^{2}c+c^{2}... in Bất đẳng thức và cực trị Started by royal1534, 09-09-2015	2 replies 531 views	dangkhuong 09-09-2015
$\sum \frac{b^{2}}... in Bất đẳng thức và cực trị Started by royal1534, 31-10-2015	6 replies 530 views	minhrongcon2000 02-11-2015
Chứng minh $(DBC)$ tiếp xúc $(AMN)$ in Hình học Started by royal1534, 05-10-2016	1 reply 522 views	baopbc 05-10-2016
$\sum \frac{a^{2}}... in Bất đẳng thức và cực trị Started by royal1534, 24-07-2015	4 replies 506 views	Nhok Tung 24-07-2015
Chứng minh: $AE$=$AF$ in Hình học Started by royal1534, 18-08-2015	10 replies 483 views	royal1534 20-08-2015

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