Question

1-resolva:
a)3/5-6/4
b)8:3/4
c)6:3/2
d)3/2:4/5
e)8/8-2/4

Answer 1

Resposta:

$a) \: \frac{3}{5} - \frac{6}{4} \\ \\ \frac{12 - 30}{20} \\ \\ - \frac{18 \div (2)}{20 \div (2)} \\ \\ = - \frac{9}{10}$

$b) \: 8 \div \frac{3}{4} \\ \\ 8 \times \frac{4}{3} \\ \\ = \frac{32}{3}$

$c) \: 6 \div \frac{3}{2} \\ \\ 6 \times \frac{2}{3} \\ \\ \frac{12}{3} \\ \\ = 4$

$d) \: \frac{3}{2} \div \frac{4}{5} \\ \\ \frac{3}{2} \times \frac{5}{4} \\ \\ \frac{15}{8}$

$e) \: \frac{8}{8} - \frac{2}{4} \\ \\ \frac{8 - 4}{8} \\ \\ \frac{4 \div (4)}{8 \div (4)} \\ \\ = \frac{1}{2}$