Question

3. Efetue as operações:
a) 5/4 +¾ -¼ =
b) 2/5 + 1/5 - 3/5 =
c) 8/7 - 3/7 + 1/7 -
d) 7/3 - 4/3 - 1/3 =
e) 1/8 + 9/8-3/8-
f) 7/3-2/3 + 1/3=
g) 7/5 + 2/5 - 1/5 =​

Answer 1

Resposta:

a)

$\frac{5}{4} + \frac{3}{4} - \frac{1}{4} = \frac{7}{4}$

b)

$\frac{2}{5} + \frac{1}{5} - \frac{3}{5} = \frac{0}{5}$

c)

$\frac{8}{7} - \frac{3}{7} + \frac{1}{7} = \frac{6}{7}$

d)

$\frac{7}{3} - \frac{4}{3} - \frac{1}{3} = \frac{2}{3}$

e)

$\frac{1}{8} + \frac{9}{8} - \frac{3}{8} = \frac{7}{8}$

f)

$\frac{7}{3} - \frac{2}{3} + \frac{1}{3} = \frac{6}{3}$

g)

$\frac{7}{5} + \frac{2}{5} - \frac{1}{5} = \frac{8}{5}$

Answer 2

Efetue as operações respostas: