Question

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Answer 1

$\sqrt{\frac{49}{81}} \div \sqrt{\frac{25}{9}}  = \frac{7}{9} \div \frac{5}{3} = \frac{7\cdot 3}{9\cdot5} = \frac{7}{3\cdot5} = \frac{7}{15}$

Answer 2

Ответ:

√49:81=7:9

√25:9=5:3

7/9:5/3=7/9*3/5=7/3*1/5=7/15