Question

o valor de (1/4 - 1/2) . 8 é:

Answer 1

1/4 = 0,25
1/2 = 0,50
(0,25 - 0,50 ) . 8 =
 - 0 , 25 . 8 = -2    ok

Answer 2

( 1/4 - 1/2 ) × 8 = 2 - 4 = -2