Question

ME AJUDEM VALE 11 PTS QUEM ME AJUDA EU DOU OS PTS PVPVPV

a) (1 - 4/5) . (1 - 1/2) =

b) ( - 3/5) . (-2) . (7/5) =

c) 4. ( 1 - 7/5) =

d) (- 3/4) . (+1/5) . (-1/2) =

Answer 1

a) (5-4) . (2-1)
   5        2
1/5.1/2= 1/10

b) 6/5.7/5= 42/25

c) 4.(5-7)
          5
4.-2/5=-8/5

d)-3/20.-1/2= +3/40