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	Topic	Started By	Stats	Last Post Info
	Answered Chứng minh rằng: $abcde$ chia hết cho $42$. Started by MHN, 29-03-2024		1 reply 3658 Views	minhduc38 06-05-2024
	Answered Tìm x,y nguyên dương $xy^{2} + 2xy +x=9y$ Started by AnAn333, 08-09-2023 đại số		9 replies 2746 Views	$Tìm x,y nguyên dương $xy^{2} + 2xy +x=9y$ - last post by thvn$ thvn 12-01-2024
	Answered $f(a)-f(b) \vdots a-b$ Started by Sa is very stupid and lazy, 17-01-2024 số học		1 reply 1364 Views	$$f(a)-f(b) \vdots a-b$ - last post by hovutenha$ hovutenha 17-01-2024
	Answered CMR: $\left ( \frac{x^2}{a} \right )^n+\left ( \frac{y^2}{b} \right )^n=\frac{2}{(a-b)^n}$ Started by Duc3290, 01-05-2024 biến đổi đại số, phân thức and 1 more...		1 reply 820 Views	$CMR: $\left ( \frac{x^2}{a} \right )^n+\left ( \frac{y^2}{b} \right )^n=\frac{2}{(a-b)^n}$ - last post by tomeps$ tomeps 01-05-2024
	Answered $\frac{ab}{b+c}+\frac{bc}{c+a}+\frac{ca}{a+b}=\frac{ab}{c+a}+\frac{bc}{a+b}+\frac{ca}{b+c}$ Started by nhancccp, 28-03-2023		1 reply 640 Views	$$\frac{ab}{b+c}+\frac{bc}{c+a}+\frac{ca}{a+b}=\frac{ab}{c+a}+\frac{bc}{a+b}+\frac{ca}{b+c}$ - last post by thanhng2k7$ thanhng2k7 28-03-2023
	Answered Chứng minh $\frac{1}{a^{2015}}+\frac{1}{b^{2015}}+\frac{1}{c^{2015}}=\frac{1}{a^{2015}+b^{2015}+c^{2015}}$ Started by Chinchin, 02-06-2023		2 replies 416 Views	$Chứng minh $\frac{1}{a^{2015}}+\frac{1}{b^{2015}}+\frac{1}{c^{2015}}=\frac{1}{a^{2015}+b^{2015}+c^{2015}}$ - last post by nhancccp$ nhancccp 23-06-2023
	Answered Chứng minh $x+y=0$ với $\left(x+\sqrt{y^{2}+1}\right)\left(y+\sqrt{x^{2}+1}\right)=1$. Started by WannaBeMe, 24-05-2023		1 reply 331 Views	$Chứng minh $x+y=0$ với $\left(x+\sqrt{y^{2}+1}\right)\left(y+\sqrt{x^{2}+1}\right)=1$. - last post by huytran08$ huytran08 24-05-2023
	Answered Cho phương trình $x+m-1=m\sqrt[3]{2x-1}$,với m là tham số Started by nhancccp, 01-08-2023		1 reply 314 Views	$Cho phương trình $x+m-1=m\sqrt[3]{2x-1}$,với m là tham số - last post by chaubee2001$ chaubee2001 01-08-2023

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