а) \(\frac{9}{10}\cdot\frac{5}{6}=\frac34\)
б) \(\frac{6}{25}\cdot\frac{20}{21}=\frac{8}{35}\)
в) \(\frac{17}{30}\cdot\frac{26}{51}=\frac{13}{45}\)
г) \(\frac{40}{7}\cdot\frac{14}{5}=16\)
д) \(\frac{57}{37}\cdot\frac{74}{86}=1\frac{14}{43}\)
е) \(\frac{81}{115}\cdot\frac{46}{81}=\frac25\)
ж) \(\frac{3}{16}\cdot4=\frac34\)
з) \(23\cdot\frac{5}{46}=2\frac12\)
и) \(\frac{5}{13}\cdot39=15\)
к) \(5\cdot2\frac15=11\)
л) \(3\frac35\cdot1\frac19=4\)
м) \(4\frac27\cdot2=8\frac47\)
н) \(2\frac{14}{15}\cdot6\frac{6}{11}=19\frac15\)
о) \(2\frac{2}{25}\cdot1\frac{9}{16}=3\frac14\)
п) \(\frac{13}{43}\cdot8\frac{7}{26}=2\frac12\)
