Tim x biet
\(\frac{x+1}{10}+\frac{x+1}{11}+\frac{x+1}{12}=\frac{x+1}{13}+\frac{x+1}{14}\)
tim x biet
a.\(\frac{x+1}{10}+\frac{x+1}{11}=\frac{x+1}{12}=\frac{x+1}{13}+\frac{x+1}{14}\)
b.\(\frac{x+4}{1990}+\frac{x+3}{1991}=\frac{x+2}{1992}+\frac{x+1}{1993}\)
\(\frac{x+1}{10}+\frac{x+1}{11}+\frac{x+1}{12}=\frac{x+1}{13}+\frac{x+1}{14}\)
a,\(x+\frac{1}{10}+x+\frac{1}{11}+x+\frac{1}{12}=x+\frac{1}{13}+x+\frac{1}{14}\)
\(\frac{x+4}{10}+\frac{x+1}{11}+\frac{x+1}{12}=\frac{x+1}{13}+\frac{x+1}{14}\)
Tìm x:
\(\frac{X+1}{10}+\frac{X+1}{11}+\frac{X+1}{12}=\frac{X+1}{13}+\frac{X+1}{14}\)
Tìm x , biết : \(\frac{x+1}{10}+\frac{x+1}{11}+\frac{x+1}{12}=\frac{x+1}{13}+\frac{x+1}{14}\)
Tìm x
\(\frac{x+1}{10}+\frac{x+1}{11}+\frac{x+1}{12}=\frac{x+1}{13}+\frac{x+1}{14}\)
\(\frac{X+1}{10}+\frac{X+1}{11}+\frac{X+1}{12}=\frac{X+1}{13}+\frac{X+1}{14}\)
Tìm x