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7 phần 8 + 1 - 3 phần 4 =15 phần 8 -3 phần 4 =9 phần 8
15 phần 24 + 3 phần 8 -1 phần 6 = 1 - 1 phần 6 = 5 phần 6
x +\(\frac{1}{6}\)=\(\frac{1}{3}\)-\(\frac{1}{4}\)
x +\(\frac{1}{6}\)=\(\frac{1}{12}\)
x =\(\frac{1}{12}\)-\(\frac{1}{6}\)
x =\(-\frac{1}{12}\)
x -\(\frac{5}{12}\)=\(\frac{1}{3}+\frac{1}{4}\)
x -\(\frac{5}{12}\)=\(\frac{7}{12}\)
x =\(\frac{7}{12}\)+\(\frac{5}{12}\)
x = 1
x +\(\frac{1}{2}\)=\(\frac{4}{5}\)
x =\(\frac{4}{5}\)-\(\frac{1}{2}\)
x =\(\frac{3}{10}\)
x -\(\frac{1}{6}\)=\(\frac{1}{2}\)+\(\frac{1}{3}\)
x -\(\frac{1}{6}\)=\(\frac{5}{6}\)
x =\(\frac{5}{6}\)+\(\frac{1}{6}\)
x = 1
x +\(\frac{1}{8}\)=\(\frac{1}{2}\)-\(\frac{1}{3}\)
x +\(\frac{1}{8}\)=\(\frac{1}{6}\)
x =\(\frac{1}{6}\)-\(\frac{1}{8}\)
x =\(\frac{1}{24}\)
Học tốt!!!
\(\frac{1}{3}+x\times\frac{5}{6}-\frac{1}{6}=\frac{2}{3}\)
\(\Rightarrow x\times\frac{5}{6}-\frac{1}{6}=\frac{2}{3}-\frac{1}{3}=\frac{1}{3}\)
\(\Rightarrow x\times\frac{5}{6}=\frac{2}{6}+\frac{1}{6}=\frac{1}{2}\)
\(\Rightarrow x=\frac{1}{2}\times\frac{6}{5}=\frac{3}{5}\)
tk : aichoichuberong
mk : rongbechuchoiai
\(\frac{1}{3}+\frac{x\times5}{6}-\frac{1}{6}=\frac{2}{3}\)
\(\Rightarrow\frac{x\times5}{6}=\frac{2}{3}-\frac{1}{3}-\frac{1}{6}\)
\(\Rightarrow\frac{x\times5}{6}=\frac{1}{3}-\frac{1}{6}=\frac{1}{6}\)
\(\Rightarrow\frac{x\times5}{6}=\frac{1}{6}\)
\(\Rightarrow x\times5=1\)
\(\Rightarrow x=\frac{1}{5}\)
\(\frac{1}{3}+\frac{x\times5}{6}-\frac{1}{6}=\frac{2}{3}\)
\(\Rightarrow\frac{x\times5}{6}=\frac{2}{3}-\frac{1}{3}+\frac{1}{6}\)
\(\Rightarrow\frac{x\times5}{6}=\frac{1}{2}=\frac{3}{6}\)
\(\Rightarrow x\times5=3\)
\(\Rightarrow x=\frac{3}{5}\)
mk nhầm
\(\frac{1}{3}\) +\(x\) \(\times\) \(\frac{5}{6}-\frac{1}{6}\) =\(\frac{2}{3}\)
\(\frac{1}{3}+x\times\frac{5}{6}\)=\(\frac{2}{3}+\frac{1}{6}\)
\(\frac{1}{3}+x\times\frac{5}{6}\) =\(\frac{5}{6}\)
\(\frac{1}{3}+x=\frac{5}{6}\div\frac{5}{6}\)
\(\frac{1}{3}+x=1\)
\(x=1-\frac{1}{3}\)
\(x=\)\(\frac{2}{3}\)
\(\frac{1}{3}+x\cdot\frac{5}{6}-\frac{1}{6}=\frac{2}{3}\)
\(\frac{1}{3}+x\cdot\frac{5}{6}=\frac{2}{3}+\frac{1}{6}\)
\(\frac{1}{3}+x\cdot\frac{5}{6}=\frac{5}{6}\)
\(x\cdot\frac{5}{6}=\frac{5}{6}-\frac{1}{3}\)
\(x\cdot\frac{5}{6}=\frac{1}{2}\)
\(x=\frac{1}{2}:\frac{5}{6}\)
\(x=\frac{3}{5}\)