Question

3/7+2/7+13/9=

1/2+7/4-1/4=​

Answer 1

Resposta:

3/7+2/7+13/9 =​ (MMC entre 7 e 9 = 63

(27 + 18 + 91) / 63 =

136/63 ou 2,1587

= 1/2+7/4-1/4

= 1/2 + 6/4 (:2)/(:2)

= 1/2 + 3/2

= 4/2

= 2

Explicação passo-a-passo:

oi