Question

$3\frac{7}{11}:(\frac{2}{11} +2\frac{4}{19})$

Answer 1

Пошаговое объяснение:

$3 \frac{7}{11} \div ( \frac{2}{11} + 2 \frac{4}{19} ) = \frac{40}{11} \div ( \frac{2}{11} + \frac{42}{19} ) = \frac{40}{11} \div \frac{500}{209} = \frac{40}{11} \times \frac{209}{500} = 2 \times \frac{19}{25} = \frac{38}{25} = 1 \frac{13}{25} = 1.52$