Răspuns:
[tex] \frac{5}{14} \div \frac{8}{21} = \frac{5}{14} \times \frac{21}{8} = \frac{105}{112} \\ \\ \\ 6 \frac{2}{3} \div \frac{8}{9} = \frac{20}{3} \times \frac{9}{8} = \frac{20}{1} \times \frac{3}{8} = \frac{60}{8} \\ \\ \frac{ \frac{105}{112} }{ \frac{60}{8} } \div \frac{7}{12} = \frac{105}{112} \times \frac{8}{60} \div \frac{7}{12} = \frac{21}{14} \times \frac{1}{12} \div \frac{7}{12} = \frac{7}{14} \times \frac{1}{4} \div \frac{7}{12} = \frac{7}{56} \times \frac{12}{7} = \frac{1}{14} \times \frac{3}{1} = \frac{3}{14} [/tex]
Sper ca te-am ajutat! Și dacă poți coroana?
