Question

-3+2[1/2 (1/3+3/2): 2+1/4 (-2)]-2(-1/4)

Answer 1

-3+2[1/2(1/3+3/2):2+1/4.(-2)]-2.(-1/4)=
-3+2[1/2.(2+9/6):2+1/4.(-2)]-2.(-1/4)=
-3+2[1/2.11/6:2+1/4.(-2)]-2.(-1/4)=
-3+2[11/12:2+(-2/4)]+2/4=
-3+2[11/12.1/2-2/4]+2/4=
-3+2[11-12/24]+2/4=
-3+2.-1/24+2/4=
-3+2/24+2/4=
-72-2+12/24=
-74+12/24=
-62/24 (simplificando por 2)=
-31/12