Question

preciso urgente..........​

Answer 1

1.

a) 18

b) 16

c) 42

d) 1

e) 33

f) 5

g) 3

h) 3

2.

a)

$\frac{3}{9} + \frac{2}{9} + \frac{12}{9} = \frac{17}{9}$

b)

$\frac{5}{10} \: \: ou \: \: \frac{1}{2}$

c)

$\frac{14}{30} + \frac{6}{30} -\frac{3}{30} = \frac{17}{30}$

d)

$\frac{6}{8} \: \: ou \: \: \frac{3}{4}$

4.

a)

$\frac{7}{10}$

b)

$\frac{5}{11}$

c)

$\frac{2}{12} = \frac{1}{6}$

d)

$\frac{4}{18} + \frac{3}{18} + \frac{6}{18} = \frac{13}{18}$

Espero ter ajudado :)