Question

determine o valor das expressões:
a)1/6+1/8-1/12-1/24 b)4/5-1/6+11/15-3/10​

Answer 1

Resposta:

a) $\frac{1}{6}$

b) $1\frac{1}{15}$

Explicação passo-a-passo:

letra a)

$\frac{1}{6}+\frac{1}{8}-\frac{1}{12}-\frac{1}{24}\\\\\frac{4+3-2-1}{24}\\\\\frac{1}{6}$

letra b)

$\frac{4}{5}-\frac{1}{6}+\frac{11}{15}-\frac{3}{10}\\\\\frac{24-5+22-9}{30}\\\\\frac{32}{30}\\\\\1\frac{1}{15}$