Найдите произведение:
1) $\frac{6}{11} * \frac{4}{7}$;
2) $\frac{7}{20} * \frac{10}{21}$;
3) $\frac{8}{9} * \frac{27}{32}$;
4) $\frac{23}{28} * \frac{49}{46}$;
5) $\frac{34}{86} * \frac{43}{51}$;
6) $\frac{7}{18} * \frac{90}{77}$;
7) $\frac{63}{64} * \frac{48}{91}$;
8) $\frac{19}{100} * \frac{5}{38}$.
$\frac{6}{11} * \frac{4}{7} = \frac{24}{77}$
$\frac{7}{20} * \frac{10}{21} = \frac{1}{2} * \frac{1}{3} = \frac{1}{6}$
$\frac{8}{9} * \frac{27}{32} = \frac{1}{1} * \frac{3}{4} = \frac{3}{4}$
$\frac{23}{28} * \frac{49}{46} = \frac{1}{4} * \frac{7}{2} = \frac{7}{8}$
$\frac{34}{86} * \frac{43}{51} = \frac{2}{2} * \frac{1}{3} = \frac{1}{3}$
$\frac{7}{18} * \frac{90}{77} = \frac{1}{1} * \frac{5}{11} = \frac{5}{11}$
$\frac{63}{64} * \frac{48}{91} = \frac{9}{4} * \frac{3}{13} = \frac{27}{52}$
$\frac{19}{100} * \frac{5}{38} = \frac{1}{20} * \frac{1}{2} = \frac{1}{40}$
Пожауйста, оцените решение