Tuyển Cộng tác viên Hoc24 nhiệm kì 26 tại đây: https://forms.gle/dK3zGK3LHFrgvTkJ6
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 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 biết:\(\left(x^2-1\right)\cdot\left(x^2-3\right)\left(x^2-5\right)\left(x^2-7\right)\le0\)
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 biết
a) \(\left|x-\frac{5}{4}\right|-\left|x+\frac{2}{3}\right|\le0\)
b) \(\frac{1}{2}-\left|\frac{7}{2}-x\right|=x+4\)
tìm x biết
\(\left(x^2-1\right)\left(x^2-3\right)\left(x^2-5\right)\left(x^2-7\right)\le0\)
tìm x biết:
a)\(-4\left(2x+\frac{1}{2}\right)-2.\left(3,2x-5\right)=2,1\left(2-4x\right)\)
b)\(\frac{\left(x-2\right)\left(3-x\right)}{5+x}\le0\)
c) \(\left(-3,5x+0,75\right)+\left(\frac{1}{2}x-4\right)=-3x+7\)
tìm x,biết:
\(^{\left(x^2-1\right)\left(x^2-3\right)\left(x^2-5\right)\left(x^2-7\right)\le0}\)
