Question

Quanto é (+8/5) : (-2) - 2 x ( - 1/4)?

Answer 1

(+8/5) : (-2) - 2 x ( - 1/4)

= -8/5. 1/2 + 2/4 (:2)/(:2)

= '- 8/2. 1/5 + 1/2'

= '- 4.1/5 + 1/2'

= '-4/5 + 1/2'

= (-2.4 + 5)/10'

= (-8+5)/10

= -3/10