Question

resolva as expressões:
alguém me ajudaaaa

Answer 1

Explicação passo-a-passo:

.

$- \dfrac{7}{8} \times \dfrac{3}{14} \times - \dfrac{4}{3}$

$\dfrac{84 \div 84}{336 \div 84}$

$\dfrac{1}{4}$

.

$- \dfrac{1}{9} \div \dfrac{5}{3}$

$- \dfrac{1}{9} \times \dfrac{3}{5}$

$- \dfrac{3 \div 3}{45 \div 3}$

$- \dfrac{1}{15}$

.

$- 0.5 \times - \dfrac{16}{25} \times - \dfrac{1}{8}$

$- \dfrac{1}{2} \times - \dfrac{16}{25} \times - \dfrac{1}{8}$

$- \dfrac{16 \div 16}{400 \div 16}$

$- \dfrac{1}{25}$

.

$- \dfrac{11}{9} \div \dfrac{4}{9}$

$- \dfrac{11}{9} \times \dfrac{9}{4}$

$- \dfrac{99 \div 9}{36 \div 9}$

$- \dfrac{11}{4}$