Question

поманите пожалуста !! Номер 836 и 837​

Answer 1

836. а)

$\frac{3 \times 1 \times 4}{5 \times 2 \times 9} = \frac{12}{90}$

б)

$\frac{1 \times 2 \times 3 \times 4}{2 \times 3 \times 4 \times 5} = \frac{24}{120} = \frac{2}{60} = \frac{1}{30}$

в)

$\frac{4 \times 35 \times 3}{7 \times 36 \times 5} = \frac{1 \times 5 \times 3}{1 \times 9 \times 5} = \frac{15}{45} = \frac{1}{3}$

г)

$\frac{4 \times 10 \times 15}{5 \times 27 \times 16} = \frac{1 \times 2 \times 15}{1 \times 8 \times 16} = \frac{30}{128}$

837. а)

$(\frac{2}{9}) {}^{2} = \frac{4}{81}$

б)

$( \frac{2}{3} ) {}^{3} = \frac{8}{27}$

в)

$( \frac{1}{4} ) {}^{3 } = \frac{1}{64}$

г)

$\frac{4}{3} {}^{2} = \frac{16}{9} = 1 \times \frac{7}{9}$

д)

$\frac{1}{5} {}^{3} = \frac{1}{125}$

е)

$\frac{3}{7} {}^{2} = \frac{9}{49}$