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Simpson Joe Donald's Content

There have been 81 items by Simpson Joe Donald (Search limited from 02-06-2020)

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Tìm $\max P = xy + yz + xz +\frac{1... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 16-09-2013	3 replies 444 views	KietLW9 12-04-2021
$\dfrac{a^2}{b}+\frac... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 18-07-2014	1 reply 553 views	lahantaithe99 18-07-2014
Hệ phương trình: in Phương trình, hệ phương trình và bất phương trình Started by Simpson Joe Donald, 18-07-2014	0 replies 226 views	Simpson Joe Donald 18-07-2014
C/m $(\sum a).(\sum \frac{1... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 07-06-2014	4 replies 642 views	Ham học toán hơn 08-06-2014
Chứng minh: $\sqrt{(a^2b + b^2c + c^2a)(ab... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 04-06-2014	3 replies 992 views	khanghaxuan 05-06-2014
Chứng minh $\frac{a}{\sqrt... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 03-06-2014	3 replies 387 views	Kaito Kuroba 03-06-2014
Chứng minh $\frac{1}{\sqrt... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 03-06-2014	0 replies 273 views	Simpson Joe Donald 03-06-2014
Chứng minh $$ 6(\sum x)(\sum x^2)... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 01-06-2014	0 replies 120 views	Simpson Joe Donald 01-06-2014
Chứng minh $\sum \frac{2a-b-c}... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 31-05-2014	1 reply 135 views	Ngoc Hung 31-05-2014
Chứng minh $\frac{m^2+n^2}{2... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 26-05-2014	0 replies 122 views	Simpson Joe Donald 26-05-2014
Chứng minh : $\|u(x-y)+v(x+y)\| \leq \sqrt... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 25-05-2014	1 reply 200 views	Katyusha 25-05-2014
Tìm $y$ biết $\frac{1}... in Đại số Started by Simpson Joe Donald, 23-05-2014	0 replies 250 views	Simpson Joe Donald 23-05-2014
Chứng minh $a^2+b^2+c^2 \leq a^2b+b^2c+c^2a+1... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 21-05-2014	3 replies 161 views	yeutoan2604 21-05-2014
Tìm số có 2 chữ số mà số ấy là bội của tích 2 chữ số của... in Số học Started by Simpson Joe Donald, 18-05-2014	0 replies 586 views	Simpson Joe Donald 18-05-2014
Chứng minh $\sum \frac{x^3}... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 17-05-2014	1 reply 359 views	yeutoan2604 17-05-2014
C/m: F là trực tâm của $\triangle{PED... in Hình học Started by Simpson Joe Donald, 13-05-2014	2 replies 305 views	nghiemthanhbach 13-05-2014
C/m $\frac{a^3}{b^2}+\... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 13-05-2014	2 replies 297 views	huythcsminhtan 13-05-2014
$\frac{a}{b+c+1}+\frac{b}{c+a+1}+\fra... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 02-05-2014	7 replies 1038 views	lelinh99 04-05-2014
Chứng minh $A>B$ và $P>Q$. in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 01-05-2014	2 replies 267 views	hoanganhhaha 02-05-2014
Min $M$=$\sqrt{x+\frac... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 28-04-2014	6 replies 744 views	lahantaithe99 01-05-2014
Tìm tất cả các số nguyên tố a,b sao cho 7a+b và ab+11 cũn... in Số học Started by Simpson Joe Donald, 30-04-2014	4 replies 1987 views	HoangHungChelski 30-04-2014
Chứng minh:$8^x+8^y+8^z$ $\geq$... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 29-04-2014	1 reply 416 views	phuocdinh1999 29-04-2014
C/m $\frac{1}{\sqrt{8a... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 28-04-2014	3 replies 349 views	nk0kckungtjnh 28-04-2014
Chứng minh $P \geq 3.\frac{\sqrt... in Bất đẳng thức và cực trị Started by Simpson Joe Donald, 28-04-2014	2 replies 310 views	nk0kckungtjnh 28-04-2014
Chứng minh bất đẳng thức trong $\triangle{... in Hình học Started by Simpson Joe Donald, 28-04-2014	0 replies 133 views	Simpson Joe Donald 28-04-2014

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