Question

va rog ex 3 si 4 repede

Answer 1

3.
a)

$\frac{91}{18} \times \frac{9}{14} = \frac{13}{2} \times \frac{1}{2} = \frac{13}{4}$

b)
$\frac{14}{66} \times \frac{9}{14} = \frac{1}{22} \times \frac{3}{1} = \frac{3}{22}$


c)

$\frac{35}{54} \times \frac{9}{14} = \frac{5}{6} \times \frac{1}{2} = \frac{5}{12}$


d)

$\frac{26}{108} \times \frac{9}{14} = \frac{13}{12} \times \frac{1}{7} = \frac{13}{84}$



4)

a)

$\frac{5}{36} \times \frac{8}{15} = \frac{1}{9} \times \frac{2}{3} = \frac{2}{27}$

b)

$\frac{5}{36} \times \frac{63}{60} = \frac{1}{4} \times \frac{7}{12} = \frac{7}{48}$


c)
$\frac{5}{36} \times \frac{48}{45} = \frac{1}{6} \times \frac{8}{9} = \frac{8}{54} = \frac{4}{27}$


d)

$\frac{5}{36} \times \frac{63}{110} = \frac{1}{4} \times \frac{7}{22} = \frac{7}{88}$