Question

помогите сделать по действиям​

Answer 1

$v) \frac{38}{7} \times \frac{5}{9} \times \frac{14}{19} = \frac{20}{9} = 2\frac{2}{9}$

$d) \frac{40}{7} \times \frac{5}{12} \times \frac{21}{4} \times \frac{6}{7} \div \frac{3}{2} = \frac{50}{7} = 7 \frac{1}{7}$

$\frac{3}{7} \div \frac{8}{7} \div \frac{15}{8} \div \frac{11}{25} \div \frac{23}{22} \div \frac{35}{11} = \frac{1408}{7889}$

Answer 2

Ответ:

5 3/7×5/9×14/19=2 2/9

5 3/7×5/9=38/7×5/9=3 1/63

3 1/63×14/19=190/63×14/19=2 2/9

5 5/7×5/12×5 1/4×6/7÷1 1/2=7 1/7

5 5/7×5/12=40/7×5/12=10/7×5/3=

=50/21=2 8/21

2 8/21×5 1/4=50/21×21/4=25/2=12 1/2

12 1/2×6/7=25/2×6/7=75/7=10 5/7

10 5/7÷1 1/2=75/7×2/3=50/7=7 1/7

3/7÷1 1/7÷1 7/8÷11/25÷1 1/22÷3 2/11

=22/161

3/7÷1 1/7=3/7×7/8=3/8

3/8÷1 7/8=3/8×8/15=1/5

1/5÷11/25=1/5×25/11=5/11

5/11÷1 1/22=5/11×22/23=10/23

10/23÷3 2/11=10/23×11/35=22/161