Các câu hỏi tương tự
Tìm x biết
a)\(\frac{x+1}{x-4}>0\)
b)\(\left|x+\frac{3}{4}\right|+\left|y-\frac{1}{5}\right|+\left|x+y+z\right|=0\)
c)\(\left(x+2\right)\left(x-3\right)< 0\)
d)\(\left|x+\frac{3}{4}\right|+\left|y-\frac{2}{5}\right|+\left|z+\frac{1}{2}\right|\le0\)
Tìm x, y, z biết:
a) \(\left|x-\frac{1}{2}\right|+\left|y+\frac{3}{2}\right|+\left|x+y-z-\frac{1}{2}\right|=0\)
b) \(\left|1-x\right|+\left|y-\frac{2}{3}\right|+\left|x+z\right|\le0\)
Tìm x,y,z , biết:
\(\left|1-x\right|+\left|y-\frac{2}{3}\right|+\left|x+z\right|\le0\) 0
Tìm x, y biết :
\(\left(\frac{1}{2}x-5\right)^{20}+\left(y^2-\frac{1}{4}\right)^{10}\le0\)
Tìm x, y biết:
\(\left(3x-\frac{1}{5}\right)^{2014}+\left(\frac{2}{5}y+\frac{4}{7}\right)\le0\)
Tìm x, y, z, biết :
a) \(\left|\frac{1}{2}+x\right|+\left|x+y+z\right|+\left|\frac{1}{3}+y\right|=0\)
b) \(\left|\frac{1}{12}-x\right|+\left|\frac{1}{25}-y\right|+\left|z-\frac{14}{3}\right|\le0\)
tìm x,y,z biết:
\(\left(x-\frac{1}{5}\right)^{2004}+\left(y+0,4\right)^{100}+\left(z-3\right)^{678}=0\)
Tìm x,y biết :
a) \(\left|3.x-\dfrac{1}{2}\right|+\left|\dfrac{1}{4}.y+\dfrac{3}{5}\right|\)= 0
b)\(\left|\dfrac{3}{2}.x+\dfrac{1}{9}\right|+\left|\dfrac{5}{7}.y-\dfrac{1}{2}\right|\le0\)
Tìm x , y biết :
a) \(x^2+\left(y-\frac{1}{10}\right)^4=0\)
b) \(\left(\frac{1}{2}x-5\right)^{20}+\left(y^2-\frac{1}{4}\right)^{10}\le0\)