شرکت در آزمون آنلاین ریاضی نهم - ریاضی نهم | آزمون شماره 29603

${{2}^{-14}}$

${{2}^{-10}}$

${{2}^{-48}}$

${{8}^{-12}}$

$a\leq b$

$\left|a^2-b^2\right|-\left|\sqrt{256}-19\right|=b^2-3-a^2$

$b-a^2<0$

$a^2+b^2+2ab\geq0$

$\left| 4-\left| 2 \right| \right|=2$

$\left| 5+\left| -2 \right| \right|=7$

$\left| 2-\left| -3 \right| \right|=5$

$\left| -6+\left| -1 \right| \right|=5$

$\frac{y-x}{{{x}^{2}}+4yx+3{{y}^{2}}}$

$\frac{\begin{array}{ccc}x&-&y\end{array}}{\begin{array}{ccc}x&+&3y\end{array}}$

$\frac{x+y}{{{x}^{2}}+2xy+2{{y}^{2}}}$

$\frac{\begin{array}{ccc}x&-&y\end{array}}{\begin{array}{ccc}x&+&y\end{array}}$

$-\frac{1}{4}\le x\le \frac{3}{2}$

$-\frac{3}{2}\le x\le \frac{1}{4}$

$x\le \frac{3}{2}$

$x\le -\frac{1}{4}$