Question

Calculati:

a) 2
/17 ∙ 2
/7

: 2
/19 + 3
/17: 3
/14

b)
81/7 :27/9+8/5:4/6​

Answer 1

Răspuns:

Doar atât am înțeles

Explicație pas cu pas:

b)

81/7 :27/9+8/5:4/6

$\frac{81}{7} \times \frac{9}{27} + \frac{8}{5} \times \frac{6}{4} =$

$\frac{27}{7} + \frac{12}{5} =$

$\frac{135 + 84}{35} = \frac{219}{35}$