Question

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Answer 1

Ответ:

$\frac{5}{36} \div \frac{2}{11} = \frac{55}{7} \\ \frac{7}{13} \div \frac{11}{15} = \frac{105}{143} \\ \frac{8}{21} \div \frac{13}{5} = \frac{40}{273} \\ \frac{7}{32} \div \frac{15}{9} = \frac{63}{480}$