1) \(\frac{24}{-12}=\frac{x}{5}=\frac{-y}{3}\)Tìm x và y
2) \(\frac{1}{3}+\frac{-2}{5}+\frac{1}{6}+\frac{-5}{25}\le\frac{x}{10}< \frac{-3}{4}+\frac{4}{14}+\frac{-2}{8}+\frac{-3}{5}+\frac{5}{7}\)Tìm x
3) \(\frac{8.x+18}{2.x+6}\)Tìm x
Tìm x
a)\(\frac{1}{3}+\frac{3}{35}< \frac{x}{210}< \frac{4}{7}+\frac{3}{5}+\frac{1}{3}\)
b)\(\frac{5}{3}+\frac{-14}{3}< x< \frac{8}{5}+\frac{18}{10}\)
c)\(\frac{1}{3}+\frac{-2}{5}+\frac{1}{6}+\frac{-1}{5}< x< \frac{-3}{4}+\frac{2}{7}+\frac{-1}{4}+\frac{3}{5}+\frac{5}{7}\)
Tìm x thuộc Z
a)\(\frac{1}{3}+\frac{3}{35}< \frac{x}{210}< \frac{4}{7}+\frac{3}{5}+\frac{1}{3}\)
b)\(\frac{5}{3}+\frac{-14}{3}< x< \frac{8}{5}+\frac{18}{10}\)
c)\(\frac{1}{3}+\frac{-2}{5}+\frac{1}{6}+\frac{-1}{5}\subseteq x< -\frac{3}{4}+\frac{2}{7}+-\frac{1}{4}+\frac{3}{5}+\frac{5}{7}\)
\(\subseteq\)là lớn hơn hoặc bằng nha
Tìm x
a)\(\frac{1}{3}+\frac{3}{35}< \frac{x}{210}< \frac{7}{7}+\frac{3}{5}+\frac{1}{3}\)
b)\(\frac{5}{3}+-\frac{14}{3}< x< \frac{8}{5}+\frac{8}{10}\)
Tìm các số nguyên x , biết :
\(\frac{5}{3}\)+ \(\frac{-14}{3}\)< x < \(\frac{8}{5}\)+ \(\frac{18}{10}\)
Tìm x:
\(\frac{x}{7}=\frac{x+1}{14}\) \(\frac{1}{2}+\frac{1}{3}+\frac{1}{6}\) Bé hơn bằng x bé hơn bằng\(\frac{15}{4}+\frac{18}{8}\)
\(\frac{1}{2}+\frac{-3}{5}+\frac{1}{10}\)bé hơn bằng x bé hơn bằng \(\frac{8}{3}+\frac{14}{6}\)
Tìm x:
\(\frac{5}{3}\)+\(\frac{-14}{3}\)<x<\(\frac{8}{5}\)+\(\frac{18}{10}\)
\(A.\frac{18}{7^3}=\frac{2^2.13+5^2.6}{2^{15}}+\frac{3^{14}.1+3^{14}.5}{\frac{3^4}{8}}\)
Tìm x, biết:
\(\frac{3}{\left(x+2\right)\left(x+5\right)}+\frac{5}{\left(x+5\right)\left(x+10\right)}+\frac{7}{\left(x+10\right)\left(x+17\right)}=\frac{x}{\left(x+2\right)\left(x+17\right)}\left(x\notin-2;-5;-10;-17\right)\)
\(\frac{2}{\left(x-1\right)\left(x-3\right)}+\frac{5}{\left(x-3\right)\left(x-8\right)}+\frac{12}{\left(x-8\right)\left(x-20\right)}-\frac{1}{x-20}=-\frac{3}{4}\)
Với \(x\notin1;3;8;20\)
\(\frac{x+1}{10}+\frac{2+1}{11}\frac{x+1}{12}=\frac{x+1}{13}+\frac{x+1}{14}\)
\(\frac{x-10}{30}+\frac{x-14}{43}+\frac{x-5}{95}+\frac{x-148}{8}=0\)
