\(\frac{6}{5}=1\frac{1}{5}\)
\(\frac{17}{3}\)\(=5\frac{2}{3}\)
\(\frac{34}{9}\)\(=3\frac{7}{9}\)
\(\frac{95}{11}\)\(=8\frac{7}{11}\)
\(5\frac{1}{2}=\frac{11}{2}\)
\(9\frac{3}{5}\)\(=\frac{48}{5}\)
\(11\frac{5}{21}=\frac{236}{21}\)
\(20\frac{7}{13}=\frac{267}{13}\)
\(a,\frac{17}{11};\frac{18}{11};\frac{19}{11}\)
\(b,\frac{4}{5}\)\(=\frac{8}{10}\)
Ba phân số đó là
\(\frac{8,1}{10};\frac{8,2}{10};\frac{8,3}{10}\)
\(2\frac{1}{3}+4\frac{1}{3}=\frac{7}{3}\)\(+\frac{13}{3}\)\(=\frac{20}{3}\)
\(5\frac{1}{3}-2\frac{2}{3}=\frac{16}{3}-\frac{8}{3}=\frac{8}{3}\)
\(6\frac{3}{5}-4\frac{1}{10}=\frac{33}{5}-\frac{41}{10}=\frac{66}{10}-\frac{41}{10}-\)
\(=\frac{25}{10}\)\(=\frac{5}{2}\)
\(9\frac{2}{3}+5\frac{3}{7}=\frac{29}{3}+\frac{38}{7}=\frac{203}{21}+\frac{114}{21}\)\(=\frac{317}{21}\)
\(2\frac{1}{3}x5\frac{1}{4}=\frac{7}{3}x\frac{21}{4}=\frac{49}{4}\)
\(8\frac{1}{6}:2\frac{1}{2}=\frac{49}{6}:\frac{5}{2}=\frac{49}{6}x\frac{2}{5}=\frac{49}{15}\)
tui ko k hết đc
vì nó ko cho quá 3 lần
mai tui k
