Đáp án mới nhất

17

Giải hệ phương trình: $\begin{cases}x^2 + y^2 = 2 \\ (x + 2y)(2 + 3y^2 + 4xy)=27 \end{cases}$
5

Giải hệ phương trình: $\begin{cases}x^2 + y^2 = 2 \\ (x + 2y)(2 + 3y^2 + 4xy)=27 \end{cases}$
0

\begin{cases}x^{2}+y^2+x+y=4xy\\ \frac{1}{x}+\frac{1}{y} +\frac{x}{y^2}+\frac{y}{x^2}=4\end{cases}
0

\begin{cases}\sqrt{x^{5}+y^{2}-231}+x^{2}-2xy+93=0 \\ x^{2}+\sqrt{x^{2}+2y+19}-5y+6=1 \end{cases}x,y N\in
0

\begin{cases}\sqrt{x^{5}+y^{2}-231}+x^{2}-2xy+93=0 \\ x^{2}+\sqrt{x^{2}+2y+19}-5y+6=1 \end{cases}x,y N\in
3

Giải hệ pt : \begin{cases}xy+x-2=0 \\ 2x^{3}-x^{2}y+x^{2}+y^{2}-2xy-y=0\end{cases}
1

\begin{cases}x^{2}+y^{2}-3x-4y=33 \\ 3x^{2}-2y^{2}-9x-8y=3 \end{cases}
4

\begin{cases}\left ( 1-y \right )\sqrt{x-y}+x= 2+\left ( x-y-1 \right )\sqrt{y}\\ 2y^{2}-3x+6y+1=2\sqrt{x-2y}-\sqrt{4x-5y-3} \end{cases}
3

$\left\{ \begin{array}{l} \sqrt{x^{2}+xy+2y^{2}}+\sqrt{2x^{2}+xy+y^{2}}=2.(x+y)\\ (8y-6).\sqrt{x-1}=(2+\sqrt{y-2}).(y+4.\sqrt{x-2}+3) \end{array} \right.$
1

\begin{cases}x^{2}-y^{2}=3 \\ x^{2}+y^{2}=xy +x+y \end{cases}
11

$\left\{ \begin{array}{l} (x+1)y^2+y\sqrt{x+1}=13x+2\\ 7\sqrt{x+1}-1=y\sqrt{x+1}+1 \end{array} \right.$
1

giải hpt $x^{2} + y =xy^{2}$$2x^{2}y + y^{2} = x + y + 3xy$x2+y2x2y+y2=xy2=x+y+3xy.x2+y2x2y+y2=xy2=x+y+3xy.x2+y2x2y+y2=xy2=x+y+3xy.
5

$\begin{cases}2x^2+y^2-3xy=x-y \\ 2x^2-y^2=1 \end{cases}$Xem thêm : Mời mọi người tham gia cuộc thi do các Admin tổ chức nhé CLICK !
11

Giải hệ phương trình : $ \begin{cases}xy+y^{2}+x=7y \\ \frac{x^{2}}{y} +x=12 \end{cases}$
5

\left\{ \begin{array}{l} 2y^{2}-3y+1+\sqrt{y-1}=x^{2}+\sqrt{x} +xy\\ \sqrt{2x+y} -\sqrt{-3x+2y+4} +3x^{2}-14x-8=0\end{array} \right.\\
11

Giải hpt : \begin{cases}4x^{2}+8y^{2} - 10x +9y= y\sqrt{6(x+1)} -5\\ \sqrt{1-x}-\sqrt{\frac{x^{2}+1}{x}}=\frac{1}{y} \sqrt{x(y^{2}+1)} + \sqrt{\frac{-x(y+1)}{y}}\end{cases}
0

hệ pt: $(1-y)(x-3y+3)-x^2=\sqrt{(y-1)^3}\sqrt{x}$ $ \sqrt{x^2-y}+2\sqrt[3]{x^3 - 4}=2(y-2)$
8

Giải hệ phương trình này giúp mình với $$\begin{cases}2x = y+1 + \sqrt{x(y+1)} \\ x^{3} + y^3 = 7 \end{cases}$$
4

\begin{cases}x^5+xy^4=y^{10}+y^6 \\ \sqrt{4x+5}+\sqrt{y^2+8}=6 \end{cases}
11

Tìm $x,y$ sao cho:$\left\{ \begin{array}{l} \sqrt[3]{x^2-xy+1}+\sqrt[3]{y^2-xy+1}-2=2(x-y)^2\\ (16xy-5)(\sqrt{x}+\sqrt{y})+4=0 \end{array} \right.$
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