1994 + 1 / 2-1 + 1 / 3 + 2 + 1 / 2-3 + 1 / 3 + 4 + 1 / 2 -. + 1992 + 1 / 2-1993 + 1 / 3?

1994 + 1 / 2-1 + 1 / 3 + 2 + 1 / 2-3 + 1 / 3 + 4 + 1 / 2 -. + 1992 + 1 / 2-1993 + 1 / 3?

1994 + 1 / 2-1 and 1 / 3 + 2 and 1 / 2-3 and 1 / 3 + 4 and 1 / 2 -. + 1992 and 1 / 2-1993 and 1 / 3 = 2 and 1 / 2-1 and 1 / 3 + 4 and 1 / 2-3 and 1 / 3 +. + 1992 and 1 / 2-1991 and 1 / 3 + 1994 + 1 / 2-1993 and 1 / 3 = (2-1) + (1 / 2-1 / 3) + (4-3) + (1 / 2-1 / 3) +. + (1992-1991) + (1 / 2-1 / 3) + (1994-1993) + (1 / 2