Question

$\frac{2}{3} \div \frac{7}{9} = \\ \\ 6 \div \frac{3}{5} = \\ \\ 4 \frac{1}{2} \div 3 \frac{3}{4} = \\ \\ \frac{20}{21} \div 15$
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Answer 1

1.6/7
2.10
3.1 1/5
4.4/63

Answer 2

Ответ см во вложении