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x=\(\frac{4}{3}\)-\(\frac{3}{8}\)=\(\frac{23}{24}\)
x = \(\frac{4}{5}\)+ \(\frac{7}{6}\)=\(\frac{59}{30}\)
x = \(\frac{21}{8}\): \(\frac{1}{9}\) = \(\frac{189}{8}\)
x = \(\frac{8}{3}\)* 5 = \(\frac{40}{3}\)
chúc bạn học tốt ☻
\(\dfrac{3}{4}\times\dfrac{8}{5}:1\dfrac{1}{6}\)
=\(\dfrac{6}{5}:\) \(\dfrac{7}{6}\)
=\(\dfrac{6}{5}\times\dfrac{6}{7}=\dfrac{36}{35}\)
2\(\dfrac{1}{3}\) x 1\(\dfrac{1}{4}\) -\(\dfrac{7}{5}\)
\(\dfrac{7}{3}\times\dfrac{5}{4}-\) \(\dfrac{7}{5}\)
\(\dfrac{35}{12}-\dfrac{7}{5}\)
\(\dfrac{175}{60}-\dfrac{84}{60}=\dfrac{91}{60}\)
4\(\dfrac{2}{3}+1\dfrac{1}{4} +2\dfrac{1}{3}+2\dfrac{3}{7}\)
(4 +2) + \(\left(\dfrac{2}{3}+\dfrac{1}{3}\right)\) +1\(\dfrac{1}{4}\) + \(2\dfrac{3}{7}\)
6 + 1 + \(\dfrac{5}{4}\) + \(\dfrac{17}{7}\)
7 + \(\dfrac{103}{28}\)
\(\dfrac{299}{28}\)
\(3+\frac{2}{5}-\frac{3}{4}\)X \(\frac{4}{5}\)
\(=\frac{3}{1}+\frac{2}{5}-\frac{3}{5}\)
\(=\frac{17}{5}-\frac{3}{5}\)
\(=\frac{14}{5}\)
\(3+\frac{2}{5}-\frac{3}{4}\times\frac{4}{5}\)
\(=3+\frac{2}{5}-\frac{3}{5}\)
\(=3+\frac{-1}{5}\)
\(=\frac{15}{5}+\frac{-1}{5}\)
\(=\frac{14}{5}\)
\(\frac{5}{9}+\frac{2}{5}\cdot x=\frac{8}{9}\)
\(\frac{2}{5}\cdot x=\frac{8}{9}-\frac{5}{9}\)
\(\frac{2}{5}\cdot x=\frac{1}{3}\)
\(x=\frac{1}{3}\div\frac{2}{5}\)
\(x=\frac{5}{6}\)
43/45