Question

Calcule o valor da expressão:
A)5/6+1/4
B)7/12-3/16
C)7/9×21/5
D)7/9÷21/5

Answer 1

Resposta:

a)

$\frac{13}{12}$

b)

$\frac{19}{48}$

c)

$\frac{49}{15}$

d)

$\frac{5}{27}$