Question

помогите пожалуйста ​

Answer 1

Пошаговое объяснение:

1)

$3 \frac{7}{9} + 5 \frac{1}{6} = (3 + 5) + ( \frac{14 + 3}{18} ) = 8 \frac{17}{18}$

2)

$3 \frac{17}{27} - 2 \frac{13}{18} = 3 \frac{34}{54} - 2 \frac{39}{54} = \frac{196 - 147}{54} = \frac{49}{54}$

3)

$\frac{56}{69} \times \frac{69}{77} = \frac{56}{77} = \frac{8}{11}$

4)

$3 \frac{3}{8} \times \frac{7}{9} = \frac{27}{8} \times \frac{27}{9} = \frac{81}{8} = 10 \frac{1}{8}$

5)

$\frac{8}{15} \div \frac{32}{75} = \frac{8}{15} \times \frac{75}{32} = \frac{5}{4} = 1 \frac{1}{4}$

6)

$5 \frac{5}{6} \div \frac{7}{18} = \frac{35}{6} \times \frac{18}{7} = 15$