Question

por favor me ajudem​

Answer 1

Resposta:

a)

$( \frac{5}{6} ) \: \div ( \frac{4}{7}) \\ \frac{5}{6} \times ( \frac{7}{4} ) \\ \frac{5 \times 7}{6 \times 4} \\ \frac{35}{24}$

Letra a ) resposta 35/24

b) (-3/4) ÷ (-5/8)

$- \frac{3}{4} ( - \frac{8}{5} ) \\ \frac{ - 3( - 8)}{4 \times 5} \\ \frac{24}{20} = \frac{6}{5}$

resposta: 6/5

c)

$( - \frac{2}{6} \div 6 \\ \frac{ - 2}{5 \times 6} \\ \frac{ - 2}{30} \\ - \frac{1}{15}$

resposta : -1/15

d)

$- \frac{6}{5} ( - \frac{5}{4} ) \\ \frac{ - 6( - 5)}{5 \times 4} \\ \frac{30}{20} = \frac{3}{2}$

resposta : 3/2

Espero ter ajudado

bons estudos ! :)

Answer 2

a) 35/24

b) 6/5

c) -1/15

d) 3/2

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