Question

7 -( 1 + 1)
__ _ _
8 2 8 como resoler?

Answer 1

= 7/8 - (1/2 + 1/8)
= 7/8 - 1/2 - 1/8
= 6/8 (:2)/(:2) - 1/2
= 3/4 - 1/2
Mmc (4,2)= 4
= (1.3 - 2.1)/4
= (3-2)/4
= 1/4

R.: 1/4